The factors of the number 652,721,616 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 73, 93, 124, 144, 146, 186, 219, 248, 279, 292, 372, 438, 496, 558, 584, 657, 744, 876, 1116, 1168, 1314, 1488, 1752, 2003, 2232, 2263, 2628, 3504, 4006, 4464, 4526, 5256, 6009, 6789, 8012, 9052, 10512, 12018, 13578, 16024, 18027, 18104, 20367, 24036, 27156, 32048, 36054, 36208, 40734, 48072, 54312, 62093, 72108, 81468, 96144, 108624, 124186, 144216, 146219, 162936, 186279, 248372, 288432, 292438, 325872, 372558, 438657, 496744, 558837, 584876, 745116, 877314, 993488, 1117674, 1169752, 1315971, 1490232, 1754628, 2235348, 2339504, 2631942, 2980464, 3509256, 4470696, 4532789, 5263884, 7018512, 8941392, 9065578, 10527768, 13598367, 18131156, 21055536, 27196734, 36262312, 40795101, 54393468, 72524624, 81590202, 108786936, 163180404, 217573872, 326360808, 652721616.
If you add them up, you will get the total of 652,721,617. Now subtract 652,721,616 to get 1,259,703,600