9986989

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 12

約数和(自身を含む): 10764640

約数和(自身を除く): 777651

約数列:

[1, 19, 59, 151, 1121, 2869, 3481, 8909, 66139, 169271, 525631, 9986989]

約数ペア:

[(1, 9986989), (19, 525631), (59, 169271), (151, 66139), (1121, 8909), (2869, 3481)]