8889377110

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2111491}}^1$

素因数の和:2111919

約数の個数: 16

約数和(自身を含む): 16038893232

約数和(自身を除く): 7149516122

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 2111491, 4222982, 10557455, 21114910, 888937711, 1777875422, 4444688555, 8889377110]

約数ペア:

[(1, 8889377110), (2, 4444688555), (5, 1777875422), (10, 888937711), (421, 21114910), (842, 10557455), (2105, 4222982), (4210, 2111491)]