81970231

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{757}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 97024000

約数和(自身を除く): 15053769

約数列:

[1, 7, 31, 217, 499, 757, 3493, 5299, 15469, 23467, 108283, 164269, 377743, 2644201, 11710033, 81970231]

約数ペア:

[(1, 81970231), (7, 11710033), (31, 2644201), (217, 377743), (499, 164269), (757, 108283), (3493, 23467), (5299, 15469)]