209548902521

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{10531}}^1\times {\mathrm{20749}}^1$

素因数の和:31424

約数の個数: 16

約数和(自身を含む): 241267056000

約数和(自身を除く): 31718153479

約数列:

[1, 7, 137, 959, 10531, 20749, 73717, 145243, 1442747, 2842613, 10099229, 19898291, 218507719, 1529554033, 29935557503, 209548902521]

約数ペア:

[(1, 209548902521), (7, 29935557503), (137, 1529554033), (959, 218507719), (10531, 19898291), (20749, 10099229), (73717, 2842613), (145243, 1442747)]