138609877

素因数分解:

$7^2\times {\mathrm{631}}^1\times {\mathrm{4483}}^1$

素因数の和:5128

約数の個数: 12

約数和(自身を含む): 161531616

約数和(自身を除く): 22921739

約数列:

[1, 7, 49, 631, 4417, 4483, 30919, 31381, 219667, 2828773, 19801411, 138609877]

約数ペア:

[(1, 138609877), (7, 19801411), (49, 2828773), (631, 219667), (4417, 31381), (4483, 30919)]