The factors of the number 644,635,104 are: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 83, 96, 102, 136, 166, 204, 249, 272, 332, 408, 498, 544, 664, 816, 996, 1328, 1411, 1632, 1992, 2656, 2822, 3984, 4233, 4759, 5644, 7968, 8466, 9518, 11288, 14277, 16932, 19036, 22576, 28554, 33864, 38072, 45152, 57108, 67728, 76144, 80903, 114216, 135456, 152288, 161806, 228432, 242709, 323612, 394997, 456864, 485418, 647224, 789994, 970836, 1184991, 1294448, 1579988, 1941672, 2369982, 2588896, 3159976, 3883344, 4739964, 6319952, 6714949, 7766688, 9479928, 12639904, 13429898, 18959856, 20144847, 26859796, 37919712, 40289694, 53719592, 80579388, 107439184, 161158776, 214878368, 322317552, 644635104.
If you add them up, you will get the total of 644,635,105. Now subtract 644,635,104 to get 1,169,039,136