166153325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 247822680

約数和(自身を除く): 81669355

約数列:

[1, 5, 13, 17, 25, 29, 61, 65, 85, 145, 221, 289, 305, 325, 377, 425, 493, 725, 793, 1037, 1105, 1445, 1525, 1769, 1885, 2465, 3757, 3965, 5185, 5525, 6409, 7225, 8381, 8845, 9425, 12325, 13481, 17629, 18785, 19825, 22997, 25925, 30073, 32045, 41905, 44225, 67405, 88145, 93925, 108953, 114985, 150365, 160225, 209525, 229177, 337025, 390949, 440725, 511241, 544765, 574925, 751825, 1145885, 1954745, 2556205, 2723825, 5729425, 6646133, 9773725, 12781025, 33230665, 166153325]

約数ペア:

[(1, 166153325), (5, 33230665), (13, 12781025), (17, 9773725), (25, 6646133), (29, 5729425), (61, 2723825), (65, 2556205), (85, 1954745), (145, 1145885), (221, 751825), (289, 574925), (305, 544765), (325, 511241), (377, 440725), (425, 390949), (493, 337025), (725, 229177), (793, 209525), (1037, 160225), (1105, 150365), (1445, 114985), (1525, 108953), (1769, 93925), (1885, 88145), (2465, 67405), (3757, 44225), (3965, 41905), (5185, 32045), (5525, 30073), (6409, 25925), (7225, 22997), (8381, 19825), (8845, 18785), (9425, 17629), (12325, 13481)]