161257285

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{17789}}^1$

素因数の和:17845

約数の個数: 24

約数和(自身を含む): 231198840

約数和(自身を除く): 69941555

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 9065, 17789, 88945, 124523, 622615, 658193, 871661, 3290965, 4358305, 4607351, 23036755, 32251457, 161257285]

約数ペア:

[(1, 161257285), (5, 32251457), (7, 23036755), (35, 4607351), (37, 4358305), (49, 3290965), (185, 871661), (245, 658193), (259, 622615), (1295, 124523), (1813, 88945), (9065, 17789)]