818618242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{78517}}^1$

素因数の和:78933

約数の個数: 16

約数和(自身を含む): 1325697912

約数和(自身を除く): 507079670

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 78517, 157034, 1020721, 2041442, 31485317, 62970634, 409309121, 818618242]

約数ペア:

[(1, 818618242), (2, 409309121), (13, 62970634), (26, 31485317), (401, 2041442), (802, 1020721), (5213, 157034), (10426, 78517)]