128280385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{2099}}^1$

素因数の和:2840

約数の個数: 16

約数和(自身を含む): 163296000

約数和(自身を除く): 35015615

約数列:

[1, 5, 17, 85, 719, 2099, 3595, 10495, 12223, 35683, 61115, 178415, 1509181, 7545905, 25656077, 128280385]

約数ペア:

[(1, 128280385), (5, 25656077), (17, 7545905), (85, 1509181), (719, 178415), (2099, 61115), (3595, 35683), (10495, 12223)]