68489701

素因数分解:

$7^2\times {\mathrm{37}}^2\times {\mathrm{1021}}^1$

素因数の和:1109

約数の個数: 18

約数和(自身を含む): 81963378

約数和(自身を除く): 13473677

約数列:

[1, 7, 37, 49, 259, 1021, 1369, 1813, 7147, 9583, 37777, 50029, 67081, 264439, 1397749, 1851073, 9784243, 68489701]

約数ペア:

[(1, 68489701), (7, 9784243), (37, 1851073), (49, 1397749), (259, 264439), (1021, 67081), (1369, 50029), (1813, 37777), (7147, 9583)]