77900042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{321901}}^1$

素因数の和:321925

約数の個数: 12

約数和(自身を含む): 128438898

約数和(自身を除く): 50538856

約数列:

[1, 2, 11, 22, 121, 242, 321901, 643802, 3540911, 7081822, 38950021, 77900042]

約数ペア:

[(1, 77900042), (2, 38950021), (11, 7081822), (22, 3540911), (121, 643802), (242, 321901)]