199020731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{1499}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 245280000

約数和(自身を除く): 46259269

約数列:

[1, 7, 13, 91, 1459, 1499, 10213, 10493, 18967, 19487, 132769, 136409, 2187041, 15309287, 28431533, 199020731]

約数ペア:

[(1, 199020731), (7, 28431533), (13, 15309287), (91, 2187041), (1459, 136409), (1499, 132769), (10213, 19487), (10493, 18967)]