85990775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7151}}^1$

素因数の和:7211

約数の個数: 24

約数和(自身を含む): 117950784

約数和(自身を除く): 31960009

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 7151, 12025, 35755, 92963, 178775, 264587, 464815, 1322935, 2324075, 3439631, 6614675, 17198155, 85990775]

約数ペア:

[(1, 85990775), (5, 17198155), (13, 6614675), (25, 3439631), (37, 2324075), (65, 1322935), (185, 464815), (325, 264587), (481, 178775), (925, 92963), (2405, 35755), (7151, 12025)]