31120505

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{2833}}^1$

素因数の和:2877

約数の個数: 16

約数和(自身を含む): 40469520

約数和(自身を除く): 9349015

約数列:

[1, 5, 13, 65, 169, 845, 2197, 2833, 10985, 14165, 36829, 184145, 478777, 2393885, 6224101, 31120505]

約数ペア:

[(1, 31120505), (5, 6224101), (13, 2393885), (65, 478777), (169, 184145), (845, 36829), (2197, 14165), (2833, 10985)]