7891390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60703}}^1$

素因数の和:60723

約数の個数: 16

約数和(自身を含む): 15297408

約数和(自身を除く): 7406018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 60703, 121406, 303515, 607030, 789139, 1578278, 3945695, 7891390]

約数ペア:

[(1, 7891390), (2, 3945695), (5, 1578278), (10, 789139), (13, 607030), (26, 303515), (65, 121406), (130, 60703)]