81302018

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{13109}}^1$

素因数の和:13561

約数の個数: 16

約数和(自身を含む): 139700160

約数和(自身を除く): 58398142

約数列:

[1, 2, 7, 14, 443, 886, 3101, 6202, 13109, 26218, 91763, 183526, 5807287, 11614574, 40651009, 81302018]

約数ペア:

[(1, 81302018), (2, 40651009), (7, 11614574), (14, 5807287), (443, 183526), (886, 91763), (3101, 26218), (6202, 13109)]