64680833

素因数分解:

$7^2\times {\mathrm{661}}^1\times {\mathrm{1997}}^1$

素因数の和:2672

約数の個数: 12

約数和(自身を含む): 75392532

約数和(自身を除く): 10711699

約数列:

[1, 7, 49, 661, 1997, 4627, 13979, 32389, 97853, 1320017, 9240119, 64680833]

約数ペア:

[(1, 64680833), (7, 9240119), (49, 1320017), (661, 97853), (1997, 32389), (4627, 13979)]