81710968

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{25471}}^1$

素因数の和:25878

約数の個数: 16

約数和(自身を含む): 153596160

約数和(自身を除く): 71885192

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 25471, 50942, 101884, 203768, 10213871, 20427742, 40855484, 81710968]

約数ペア:

[(1, 81710968), (2, 40855484), (4, 20427742), (8, 10213871), (401, 203768), (802, 101884), (1604, 50942), (3208, 25471)]