12561644

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{4751}}^1$

素因数の和:5416

約数の個数: 12

約数和(自身を含む): 22020768

約数和(自身を除く): 9459124

約数列:

[1, 2, 4, 661, 1322, 2644, 4751, 9502, 19004, 3140411, 6280822, 12561644]

約数ペア:

[(1, 12561644), (2, 6280822), (4, 3140411), (661, 19004), (1322, 9502), (2644, 4751)]