The factors of the number 663,021,072 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 233, 252, 336, 378, 432, 466, 504, 699, 756, 932, 941, 1008, 1398, 1512, 1631, 1864, 1882, 2097, 2796, 2823, 3024, 3262, 3728, 3764, 4194, 4893, 5592, 5646, 6291, 6524, 6587, 7528, 8388, 8469, 9786, 11184, 11292, 12582, 13048, 13174, 14679, 15056, 16776, 16938, 19572, 19761, 22584, 25164, 25407, 26096, 26348, 29358, 33552, 33876, 39144, 39522, 44037, 45168, 50328, 50814, 52696, 58716, 59283, 67752, 78288, 79044, 88074, 100656, 101628, 105392, 117432, 118566, 135504, 158088, 176148, 177849, 203256, 219253, 234864, 237132, 316176, 352296, 355698, 406512, 438506, 474264, 657759, 704592, 711396, 877012, 948528, 1315518, 1422792, 1534771, 1754024, 1973277, 2631036, 2845584, 3069542, 3508048, 3946554, 4604313, 5262072, 5919831, 6139084, 7893108, 9208626, 10524144, 11839662, 12278168, 13812939, 15786216, 18417252, 23679324, 24556336, 27625878, 31572432, 36834504, 41438817, 47358648, 55251756, 73669008, 82877634, 94717296, 110503512, 165755268, 221007024, 331510536, 663021072.
If you add them up, you will get the total of 663,021,073. Now subtract 663,021,072 to get 1,523,624,688