487151405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{25933}}^1$

素因数の和:25985

約数の個数: 24

約数和(自身を含む): 668785992

約数和(自身を除く): 181634587

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 18785, 25933, 129665, 337129, 440861, 1685645, 2204305, 5731193, 7494637, 28655965, 37473185, 97430281, 487151405]

約数ペア:

[(1, 487151405), (5, 97430281), (13, 37473185), (17, 28655965), (65, 7494637), (85, 5731193), (221, 2204305), (289, 1685645), (1105, 440861), (1445, 337129), (3757, 129665), (18785, 25933)]