81988195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1933}}^1$

素因数の和:2454

約数の個数: 16

約数和(自身を含む): 104436000

約数和(自身を除く): 22447805

約数列:

[1, 5, 17, 85, 499, 1933, 2495, 8483, 9665, 32861, 42415, 164305, 964567, 4822835, 16397639, 81988195]

約数ペア:

[(1, 81988195), (5, 16397639), (17, 4822835), (85, 964567), (499, 164305), (1933, 42415), (2495, 32861), (8483, 9665)]