71870981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1759}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 88704000

約数和(自身を除く): 16833019

約数列:

[1, 7, 13, 91, 449, 1759, 3143, 5837, 12313, 22867, 40859, 160069, 789791, 5528537, 10267283, 71870981]

約数ペア:

[(1, 71870981), (7, 10267283), (13, 5528537), (91, 789791), (449, 160069), (1759, 40859), (3143, 22867), (5837, 12313)]