811520642

素因数分解:

$2^1\times {\mathrm{139}}^2\times {\mathrm{21001}}^1$

素因数の和:21281

約数の個数: 12

約数和(自身を含む): 1226159766

約数和(自身を除く): 414639124

約数列:

[1, 2, 139, 278, 19321, 21001, 38642, 42002, 2919139, 5838278, 405760321, 811520642]

約数ペア:

[(1, 811520642), (2, 405760321), (139, 5838278), (278, 2919139), (19321, 42002), (21001, 38642)]