81525608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8443}}^1$

素因数の和:8537

約数の個数: 32

約数和(自身を含む): 164151360

約数和(自身を除く): 82625752

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 8443, 9656, 16886, 33772, 67544, 143531, 287062, 574124, 599453, 1148248, 1198906, 2397812, 4795624, 10190701, 20381402, 40762804, 81525608]

約数ペア:

[(1, 81525608), (2, 40762804), (4, 20381402), (8, 10190701), (17, 4795624), (34, 2397812), (68, 1198906), (71, 1148248), (136, 599453), (142, 574124), (284, 287062), (568, 143531), (1207, 67544), (2414, 33772), (4828, 16886), (8443, 9656)]