39961475

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{5531}}^1$

素因数の和:5575

約数の個数: 18

約数和(自身を含む): 52648044

約数和(自身を除く): 12686569

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 5531, 7225, 27655, 94027, 138275, 470135, 1598459, 2350675, 7992295, 39961475]

約数ペア:

[(1, 39961475), (5, 7992295), (17, 2350675), (25, 1598459), (85, 470135), (289, 138275), (425, 94027), (1445, 27655), (5531, 7225)]