31391404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{17401}}^1$

素因数の和:17457

約数の個数: 24

約数和(自身を含む): 61394256

約数和(自身を除く): 30002852

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 17401, 34802, 69604, 191411, 382822, 713441, 765644, 1426882, 2853764, 7847851, 15695702, 31391404]

約数ペア:

[(1, 31391404), (2, 15695702), (4, 7847851), (11, 2853764), (22, 1426882), (41, 765644), (44, 713441), (82, 382822), (164, 191411), (451, 69604), (902, 34802), (1804, 17401)]