81140188

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{48413}}^1$

素因数の和:48836

約数の個数: 12

約数和(自身を含む): 142337160

約数和(自身を除く): 61196972

約数列:

[1, 2, 4, 419, 838, 1676, 48413, 96826, 193652, 20285047, 40570094, 81140188]

約数ペア:

[(1, 81140188), (2, 40570094), (4, 20285047), (419, 193652), (838, 96826), (1676, 48413)]