990913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 1309824

約数和(自身を除く): 318911

約数列:

[1, 7, 11, 17, 77, 119, 187, 757, 1309, 5299, 8327, 12869, 58289, 90083, 141559, 990913]

約数ペア:

[(1, 990913), (7, 141559), (11, 90083), (17, 58289), (77, 12869), (119, 8327), (187, 5299), (757, 1309)]