129281878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{6857}}^1$

素因数の和:7727

約数の個数: 16

約数和(自身を含む): 211829904

約数和(自身を除く): 82548026

約数列:

[1, 2, 11, 22, 857, 1714, 6857, 9427, 13714, 18854, 75427, 150854, 5876449, 11752898, 64640939, 129281878]

約数ペア:

[(1, 129281878), (2, 64640939), (11, 11752898), (22, 5876449), (857, 150854), (1714, 75427), (6857, 18854), (9427, 13714)]