138889126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{13487}}^1$

素因数の和:13779

約数の個数: 16

約数和(自身を含む): 220124160

約数和(自身を除く): 81235034

約数列:

[1, 2, 19, 38, 271, 542, 5149, 10298, 13487, 26974, 256253, 512506, 3654977, 7309954, 69444563, 138889126]

約数ペア:

[(1, 138889126), (2, 69444563), (19, 7309954), (38, 3654977), (271, 512506), (542, 256253), (5149, 26974), (10298, 13487)]