64321385

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 78641280

約数和(自身を除く): 14319895

約数列:

[1, 5, 71, 355, 409, 443, 2045, 2215, 29039, 31453, 145195, 157265, 181187, 905935, 12864277, 64321385]

約数ペア:

[(1, 64321385), (5, 12864277), (71, 905935), (355, 181187), (409, 157265), (443, 145195), (2045, 31453), (2215, 29039)]