256583210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{116101}}^1$

素因数の和:116138

約数の個数: 32

約数和(自身を含む): 526638672

約数和(自身を除く): 270055462

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 116101, 232202, 580505, 1161010, 1509313, 1973717, 3018626, 3947434, 7546565, 9868585, 15093130, 19737170, 25658321, 51316642, 128291605, 256583210]

約数ペア:

[(1, 256583210), (2, 128291605), (5, 51316642), (10, 25658321), (13, 19737170), (17, 15093130), (26, 9868585), (34, 7546565), (65, 3947434), (85, 3018626), (130, 1973717), (170, 1509313), (221, 1161010), (442, 580505), (1105, 232202), (2210, 116101)]