81233968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267217}}^1$

素因数の和:267244

約数の個数: 20

約数和(自身を含む): 165675160

約数和(自身を除く): 84441192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267217, 534434, 1068868, 2137736, 4275472, 5077123, 10154246, 20308492, 40616984, 81233968]

約数ペア:

[(1, 81233968), (2, 40616984), (4, 20308492), (8, 10154246), (16, 5077123), (19, 4275472), (38, 2137736), (76, 1068868), (152, 534434), (304, 267217)]