388631305

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4509

約数の個数: 24

約数和(自身を含む): 503639640

約数和(自身を除く): 115008335

約数列:

[1, 5, 17, 61, 85, 289, 305, 1037, 1445, 4409, 5185, 17629, 22045, 74953, 88145, 268949, 374765, 1274201, 1344745, 4572133, 6371005, 22860665, 77726261, 388631305]

約数ペア:

[(1, 388631305), (5, 77726261), (17, 22860665), (61, 6371005), (85, 4572133), (289, 1344745), (305, 1274201), (1037, 374765), (1445, 268949), (4409, 88145), (5185, 74953), (17629, 22045)]