685798984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 1409587200

約数和(自身を除く): 723788216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 137, 254, 274, 379, 508, 548, 758, 1016, 1096, 1516, 1651, 1781, 3032, 3302, 3562, 4927, 6604, 7124, 9854, 13208, 14248, 17399, 19708, 34798, 39416, 48133, 51923, 69596, 96266, 103846, 139192, 192532, 207692, 226187, 385064, 415384, 452374, 625729, 674999, 904748, 1251458, 1349998, 1809496, 2502916, 2699996, 5005832, 5399992, 6594221, 13188442, 26376884, 52753768, 85724873, 171449746, 342899492, 685798984]

約数ペア:

[(1, 685798984), (2, 342899492), (4, 171449746), (8, 85724873), (13, 52753768), (26, 26376884), (52, 13188442), (104, 6594221), (127, 5399992), (137, 5005832), (254, 2699996), (274, 2502916), (379, 1809496), (508, 1349998), (548, 1251458), (758, 904748), (1016, 674999), (1096, 625729), (1516, 452374), (1651, 415384), (1781, 385064), (3032, 226187), (3302, 207692), (3562, 192532), (4927, 139192), (6604, 103846), (7124, 96266), (9854, 69596), (13208, 51923), (14248, 48133), (17399, 39416), (19708, 34798)]