2560986421

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2750791}}^1$

素因数の和:2750824

約数の個数: 12

約数和(自身を含む): 3135902880

約数和(自身を除く): 574916459

約数列:

[1, 7, 19, 49, 133, 931, 2750791, 19255537, 52265029, 134788759, 365855203, 2560986421]

約数ペア:

[(1, 2560986421), (7, 365855203), (19, 134788759), (49, 52265029), (133, 19255537), (931, 2750791)]