289193528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8609}}^1$

素因数の和:8664

約数の個数: 64

約数和(自身を含む): 650916000

約数和(自身を除く): 361722472

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2584, 4199, 8398, 8609, 16796, 17218, 33592, 34436, 68872, 111917, 146353, 163571, 223834, 292706, 327142, 447668, 585412, 654284, 895336, 1170824, 1308568, 1902589, 2126423, 2780707, 3805178, 4252846, 5561414, 7610356, 8505692, 11122828, 15220712, 17011384, 22245656, 36149191, 72298382, 144596764, 289193528]

約数ペア:

[(1, 289193528), (2, 144596764), (4, 72298382), (8, 36149191), (13, 22245656), (17, 17011384), (19, 15220712), (26, 11122828), (34, 8505692), (38, 7610356), (52, 5561414), (68, 4252846), (76, 3805178), (104, 2780707), (136, 2126423), (152, 1902589), (221, 1308568), (247, 1170824), (323, 895336), (442, 654284), (494, 585412), (646, 447668), (884, 327142), (988, 292706), (1292, 223834), (1768, 163571), (1976, 146353), (2584, 111917), (4199, 68872), (8398, 34436), (8609, 33592), (16796, 17218)]