81894386

素因数分解:

$2^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{2687}}^1$

素因数の和:3014

約数の個数: 24

約数和(自身を含む): 143410176

約数和(自身を除く): 61515790

約数列:

[1, 2, 7, 14, 49, 98, 311, 622, 2177, 2687, 4354, 5374, 15239, 18809, 30478, 37618, 131663, 263326, 835657, 1671314, 5849599, 11699198, 40947193, 81894386]

約数ペア:

[(1, 81894386), (2, 40947193), (7, 11699198), (14, 5849599), (49, 1671314), (98, 835657), (311, 263326), (622, 131663), (2177, 37618), (2687, 30478), (4354, 18809), (5374, 15239)]