256223575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5531}}^1$

素因数の和:5667

約数の個数: 24

約数和(自身を含む): 339554160

約数和(自身を除く): 83330585

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 1853, 2725, 5531, 9265, 27655, 46325, 94027, 138275, 470135, 602879, 2350675, 3014395, 10248943, 15071975, 51244715, 256223575]

約数ペア:

[(1, 256223575), (5, 51244715), (17, 15071975), (25, 10248943), (85, 3014395), (109, 2350675), (425, 602879), (545, 470135), (1853, 138275), (2725, 94027), (5531, 46325), (9265, 27655)]