208454090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1603493}}^1$

素因数の和:1603513

約数の個数: 16

約数和(自身を含む): 404080488

約数和(自身を除く): 195626398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1603493, 3206986, 8017465, 16034930, 20845409, 41690818, 104227045, 208454090]

約数ペア:

[(1, 208454090), (2, 104227045), (5, 41690818), (10, 20845409), (13, 16034930), (26, 8017465), (65, 3206986), (130, 1603493)]