81679564

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 145248768

約数和(自身を除く): 63569204

約数列:

[1, 2, 4, 113, 157, 226, 314, 452, 628, 1151, 2302, 4604, 17741, 35482, 70964, 130063, 180707, 260126, 361414, 520252, 722828, 20419891, 40839782, 81679564]

約数ペア:

[(1, 81679564), (2, 40839782), (4, 20419891), (113, 722828), (157, 520252), (226, 361414), (314, 260126), (452, 180707), (628, 130063), (1151, 70964), (2302, 35482), (4604, 17741)]