71421325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 92994048

約数和(自身を除く): 21572723

約数列:

[1, 5, 23, 25, 115, 223, 557, 575, 1115, 2785, 5129, 5575, 12811, 13925, 25645, 64055, 124211, 128225, 320275, 621055, 2856853, 3105275, 14284265, 71421325]

約数ペア:

[(1, 71421325), (5, 14284265), (23, 3105275), (25, 2856853), (115, 621055), (223, 320275), (557, 128225), (575, 124211), (1115, 64055), (2785, 25645), (5129, 13925), (5575, 12811)]