209905930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1614661}}^1$

素因数の和:1614681

約数の個数: 16

約数和(自身を含む): 406894824

約数和(自身を除く): 196988894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1614661, 3229322, 8073305, 16146610, 20990593, 41981186, 104952965, 209905930]

約数ペア:

[(1, 209905930), (2, 104952965), (5, 41981186), (10, 20990593), (13, 16146610), (26, 8073305), (65, 3229322), (130, 1614661)]