166988908

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{390161}}^1$

素因数の和:390272

約数の個数: 12

約数和(自身を含む): 294962472

約数和(自身を除く): 127973564

約数列:

[1, 2, 4, 107, 214, 428, 390161, 780322, 1560644, 41747227, 83494454, 166988908]

約数ペア:

[(1, 166988908), (2, 83494454), (4, 41747227), (107, 1560644), (214, 780322), (428, 390161)]