71210867

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{111791}}^1$

素因数の和:111818

約数の個数: 12

約数和(自身を含む): 89210016

約数和(自身を除く): 17999149

約数列:

[1, 7, 13, 49, 91, 637, 111791, 782537, 1453283, 5477759, 10172981, 71210867]

約数ペア:

[(1, 71210867), (7, 10172981), (13, 5477759), (49, 1453283), (91, 782537), (637, 111791)]