138466669901

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1299583}}^1$

素因数の和:1300112

約数の個数: 16

約数和(自身を含む): 163685203968

約数和(自身を除く): 25218534067

約数列:

[1, 7, 31, 217, 491, 3437, 15221, 106547, 1299583, 9097081, 40287073, 282009511, 638095253, 4466666771, 19780952843, 138466669901]

約数ペア:

[(1, 138466669901), (7, 19780952843), (31, 4466666771), (217, 638095253), (491, 282009511), (3437, 40287073), (15221, 9097081), (106547, 1299583)]