161571674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{198491}}^1$

素因数の和:198541

約数の個数: 16

約数和(自身を含む): 271537056

約数和(自身を除く): 109965382

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 198491, 396982, 2183401, 4366802, 7344167, 14688334, 80785837, 161571674]

約数ペア:

[(1, 161571674), (2, 80785837), (11, 14688334), (22, 7344167), (37, 4366802), (74, 2183401), (407, 396982), (814, 198491)]