9939865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4133}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 13195728

約数和(自身を除く): 3255863

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 4133, 20665, 53729, 152921, 268645, 764605, 1987973, 9939865]

約数ペア:

[(1, 9939865), (5, 1987973), (13, 764605), (37, 268645), (65, 152921), (185, 53729), (481, 20665), (2405, 4133)]