81321922

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{336041}}^1$

素因数の和:336065

約数の個数: 12

約数和(自身を含む): 134080758

約数和(自身を除く): 52758836

約数列:

[1, 2, 11, 22, 121, 242, 336041, 672082, 3696451, 7392902, 40660961, 81321922]

約数ペア:

[(1, 81321922), (2, 40660961), (11, 7392902), (22, 3696451), (121, 672082), (242, 336041)]