68728639

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2406

約数の個数: 16

約数和(自身を含む): 80994816

約数和(自身を除く): 12266177

約数列:

[1, 7, 61, 71, 427, 497, 2267, 4331, 15869, 30317, 138287, 160957, 968009, 1126699, 9818377, 68728639]

約数ペア:

[(1, 68728639), (7, 9818377), (61, 1126699), (71, 968009), (427, 160957), (497, 138287), (2267, 30317), (4331, 15869)]