139778821

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{219433}}^1$

素因数の和:219460

約数の個数: 12

約数和(自身を含む): 175108332

約数和(自身を除く): 35329511

約数列:

[1, 7, 13, 49, 91, 637, 219433, 1536031, 2852629, 10752217, 19968403, 139778821]

約数ペア:

[(1, 139778821), (7, 19968403), (13, 10752217), (49, 2852629), (91, 1536031), (637, 219433)]