The factors of the number 1,255,824 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 34, 36, 38, 48, 51, 54, 57, 68, 72, 76, 81, 102, 108, 114, 136, 144, 152, 153, 162, 171, 204, 216, 228, 243, 272, 304, 306, 323, 324, 342, 408, 432, 456, 459, 486, 513, 612, 646, 648, 684, 816, 912, 918, 969, 972, 1026, 1224, 1292, 1296, 1368, 1377, 1539, 1836, 1938, 1944, 2052, 2448, 2584, 2736, 2754, 2907, 3078, 3672, 3876, 3888, 4104, 4131, 4617, 5168, 5508, 5814, 6156, 7344, 7752, 8208, 8262, 8721, 9234, 11016, 11628, 12312, 15504, 16524, 17442, 18468, 22032, 23256, 24624, 26163, 33048, 34884, 36936, 46512, 52326, 66096, 69768, 73872, 78489, 104652, 139536, 156978, 209304, 313956, 418608, 627912, 1255824.
If you add them up, you will get the total of 1,255,826. Now subtract 1,255,824 to get 2,806,416