12938705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2971}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 16976064

約数和(自身を除く): 4037359

約数列:

[1, 5, 13, 65, 67, 335, 871, 2971, 4355, 14855, 38623, 193115, 199057, 995285, 2587741, 12938705]

約数ペア:

[(1, 12938705), (5, 2587741), (13, 995285), (65, 199057), (67, 193115), (335, 38623), (871, 14855), (2971, 4355)]