28272710

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4397}}^1$

素因数の和:5047

約数の個数: 16

約数和(自身を含む): 50981616

約数和(自身を除く): 22708906

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 4397, 6430, 8794, 21985, 43970, 2827271, 5654542, 14136355, 28272710]

約数ペア:

[(1, 28272710), (2, 14136355), (5, 5654542), (10, 2827271), (643, 43970), (1286, 21985), (3215, 8794), (4397, 6430)]