71729717

素因数分解:

${\mathrm{37}}^1\times {\mathrm{61}}^2\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 12

約数和(自身を含む): 75039588

約数和(自身を除く): 3309871

約数列:

[1, 37, 61, 521, 2257, 3721, 19277, 31781, 137677, 1175897, 1938641, 71729717]

約数ペア:

[(1, 71729717), (37, 1938641), (61, 1175897), (521, 137677), (2257, 31781), (3721, 19277)]