31907975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4001}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 44662320

約数和(自身を除く): 12754345

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 4001, 7975, 20005, 44011, 100025, 116029, 220055, 580145, 1100275, 1276319, 2900725, 6381595, 31907975]

約数ペア:

[(1, 31907975), (5, 6381595), (11, 2900725), (25, 1276319), (29, 1100275), (55, 580145), (145, 220055), (275, 116029), (319, 100025), (725, 44011), (1595, 20005), (4001, 7975)]