564848

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 20

約数和(自身を含む): 1121208

約数和(自身を除く): 556360

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 821, 1642, 3284, 6568, 13136, 35303, 70606, 141212, 282424, 564848]

約数ペア:

[(1, 564848), (2, 282424), (4, 141212), (8, 70606), (16, 35303), (43, 13136), (86, 6568), (172, 3284), (344, 1642), (688, 821)]