201211405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{55051}}^1$

素因数の和:55116

約数の個数: 16

約数和(自身を含む): 261607104

約数和(自身を除く): 60395699

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 55051, 275255, 935867, 2367193, 4679335, 11835965, 40242281, 201211405]

約数ペア:

[(1, 201211405), (5, 40242281), (17, 11835965), (43, 4679335), (85, 2367193), (215, 935867), (731, 275255), (3655, 55051)]