81530042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{336901}}^1$

素因数の和:336925

約数の個数: 12

約数和(自身を含む): 134423898

約数和(自身を除く): 52893856

約数列:

[1, 2, 11, 22, 121, 242, 336901, 673802, 3705911, 7411822, 40765021, 81530042]

約数ペア:

[(1, 81530042), (2, 40765021), (11, 7411822), (22, 3705911), (121, 673802), (242, 336901)]