The factors of the number 647,765,118 are: 1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1287, 1386, 1638, 2002, 2574, 3003, 6006, 9009, 18018, 35951, 71902, 107853, 215706, 251657, 323559, 395461, 467363, 503314, 647118, 754971, 790922, 934726, 1186383, 1402089, 1509942, 2264913, 2372766, 2768227, 2804178, 3271541, 3559149, 4206267, 4529826, 5140993, 5536454, 6543082, 7118298, 8304681, 8412534, 9814623, 10281986, 15422979, 16609362, 19629246, 24914043, 29443869, 30845958, 35986951, 46268937, 49828086, 58887738, 71973902, 92537874, 107960853, 215921706, 323882559, 647765118.
If you add them up, you will get the total of 1,884,460,032.