138631408

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{84121}}^1$

素因数の和:84232

約数の個数: 20

約数和(自身を含む): 271209328

約数和(自身を除く): 132577920

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 84121, 168242, 336484, 672968, 1345936, 8664463, 17328926, 34657852, 69315704, 138631408]

約数ペア:

[(1, 138631408), (2, 69315704), (4, 34657852), (8, 17328926), (16, 8664463), (103, 1345936), (206, 672968), (412, 336484), (824, 168242), (1648, 84121)]