209715508

素因数分解:

$2^2\times {\mathrm{3251}}^1\times {\mathrm{16127}}^1$

素因数の和:19382

約数の個数: 12

約数和(自身を含む): 367137792

約数和(自身を除く): 157422284

約数列:

[1, 2, 4, 3251, 6502, 13004, 16127, 32254, 64508, 52428877, 104857754, 209715508]

約数ペア:

[(1, 209715508), (2, 104857754), (4, 52428877), (3251, 64508), (6502, 32254), (13004, 16127)]