81396545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{2179}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 101291520

約数和(自身を除く): 19894975

約数列:

[1, 5, 31, 155, 241, 1205, 2179, 7471, 10895, 37355, 67549, 337745, 525139, 2625695, 16279309, 81396545]

約数ペア:

[(1, 81396545), (5, 16279309), (31, 2625695), (155, 525139), (241, 337745), (1205, 67549), (2179, 37355), (7471, 10895)]