205255561

素因数分解:

$7^2\times {\mathrm{431}}^1\times {\mathrm{9719}}^1$

素因数の和:10164

約数の個数: 12

約数和(自身を含む): 239345280

約数和(自身を除く): 34089719

約数列:

[1, 7, 49, 431, 3017, 9719, 21119, 68033, 476231, 4188889, 29322223, 205255561]

約数ペア:

[(1, 205255561), (7, 29322223), (49, 4188889), (431, 476231), (3017, 68033), (9719, 21119)]