128220953

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{2687}}^1$

素因数の和:3112

約数の個数: 16

約数和(自身を含む): 155602944

約数和(自身を除く): 27381991

約数列:

[1, 7, 17, 119, 401, 2687, 2807, 6817, 18809, 45679, 47719, 319753, 1077487, 7542409, 18317279, 128220953]

約数ペア:

[(1, 128220953), (7, 18317279), (17, 7542409), (119, 1077487), (401, 319753), (2687, 47719), (2807, 45679), (6817, 18809)]