The factors of the number 281,528,064 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 256, 284, 288, 384, 426, 568, 576, 639, 768, 852, 1136, 1152, 1278, 1704, 1721, 2272, 2304, 2556, 3408, 3442, 4544, 5112, 5163, 6816, 6884, 9088, 10224, 10326, 13632, 13768, 15489, 18176, 20448, 20652, 27264, 27536, 30978, 40896, 41304, 54528, 55072, 61956, 81792, 82608, 110144, 122191, 123912, 163584, 165216, 220288, 244382, 247824, 330432, 366573, 440576, 488764, 495648, 660864, 733146, 977528, 991296, 1099719, 1321728, 1466292, 1955056, 1982592, 2199438, 2932584, 3910112, 3965184, 4398876, 5865168, 7820224, 8797752, 11730336, 15640448, 17595504, 23460672, 31280896, 35191008, 46921344, 70382016, 93842688, 140764032, 281528064.
If you add them up, you will get the total of 823,625,712.