81898522

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{4397}}^1$

素因数の和:4605

約数の個数: 16

約数和(自身を含む): 125606880

約数和(自身を除く): 43708358

約数列:

[1, 2, 67, 134, 139, 278, 4397, 8794, 9313, 18626, 294599, 589198, 611183, 1222366, 40949261, 81898522]

約数ペア:

[(1, 81898522), (2, 40949261), (67, 1222366), (134, 611183), (139, 589198), (278, 294599), (4397, 18626), (8794, 9313)]