201771505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 267732864

約数和(自身を除く): 65961359

約数列:

[1, 5, 13, 65, 67, 107, 335, 433, 535, 871, 1391, 2165, 4355, 5629, 6955, 7169, 28145, 29011, 35845, 46331, 93197, 145055, 231655, 377143, 465985, 602303, 1885715, 3011515, 3104177, 15520885, 40354301, 201771505]

約数ペア:

[(1, 201771505), (5, 40354301), (13, 15520885), (65, 3104177), (67, 3011515), (107, 1885715), (335, 602303), (433, 465985), (535, 377143), (871, 231655), (1391, 145055), (2165, 93197), (4355, 46331), (5629, 35845), (6955, 29011), (7169, 28145)]