258279475

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 328225520

約数和(自身を除く): 69946045

約数列:

[1, 5, 25, 73, 97, 365, 485, 1459, 1825, 2425, 7081, 7295, 35405, 36475, 106507, 141523, 177025, 532535, 707615, 2662675, 3538075, 10331179, 51655895, 258279475]

約数ペア:

[(1, 258279475), (5, 51655895), (25, 10331179), (73, 3538075), (97, 2662675), (365, 707615), (485, 532535), (1459, 177025), (1825, 141523), (2425, 106507), (7081, 36475), (7295, 35405)]