81814898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{23687}}^1$

素因数の和:23857

約数の個数: 16

約数和(自身を含む): 134737344

約数和(自身を除く): 52922446

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 23687, 47374, 260557, 521114, 3718859, 7437718, 40907449, 81814898]

約数ペア:

[(1, 81814898), (2, 40907449), (11, 7437718), (22, 3718859), (157, 521114), (314, 260557), (1727, 47374), (3454, 23687)]