The factors of the number 243,013,344 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 76, 84, 96, 98, 112, 114, 133, 147, 152, 168, 196, 224, 228, 266, 294, 304, 336, 392, 399, 456, 532, 588, 608, 672, 784, 798, 912, 931, 1064, 1176, 1568, 1596, 1824, 1862, 2128, 2352, 2719, 2793, 3192, 3724, 4256, 4704, 5438, 5586, 6384, 7448, 8157, 10876, 11172, 12768, 14896, 16314, 19033, 21752, 22344, 29792, 32628, 38066, 43504, 44688, 51661, 57099, 65256, 76132, 87008, 89376, 103322, 114198, 130512, 133231, 152264, 154983, 206644, 228396, 261024, 266462, 304528, 309966, 361627, 399693, 413288, 456792, 532924, 609056, 619932, 723254, 799386, 826576, 913584, 1065848, 1084881, 1239864, 1446508, 1598772, 1653152, 1827168, 2131696, 2169762, 2479728, 2531389, 2893016, 3197544, 4263392, 4339524, 4959456, 5062778, 5786032, 6395088, 7594167, 8679048, 10125556, 11572064, 12790176, 15188334, 17358096, 20251112, 30376668, 34716192, 40502224, 60753336, 81004448, 121506672, 243013344.
If you add them up, you will get the total of 243,013,882. Now subtract 243,013,344 to get 538,388,256