66639167

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{79999}}^1$

素因数の和:80030

約数の個数: 12

約数和(自身を含む): 82080000

約数和(自身を除く): 15440833

約数列:

[1, 7, 17, 49, 119, 833, 79999, 559993, 1359983, 3919951, 9519881, 66639167]

約数ペア:

[(1, 66639167), (7, 9519881), (17, 3919951), (49, 1359983), (119, 559993), (833, 79999)]