856553347

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{673}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 985749264

約数和(自身を除く): 129195917

約数列:

[1, 13, 17, 169, 221, 443, 673, 2873, 5759, 7531, 8749, 11441, 74867, 97903, 113737, 148733, 298139, 1272739, 1933529, 3875807, 5068363, 50385491, 65888719, 856553347]

約数ペア:

[(1, 856553347), (13, 65888719), (17, 50385491), (169, 5068363), (221, 3875807), (443, 1933529), (673, 1272739), (2873, 298139), (5759, 148733), (7531, 113737), (8749, 97903), (11441, 74867)]