39720863

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10151}}^1$

素因数の和:10214

約数の個数: 16

約数和(自身を含む): 50029056

約数和(自身を除く): 10308193

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 10151, 71057, 131963, 436493, 923741, 3055451, 5674409, 39720863]

約数ペア:

[(1, 39720863), (7, 5674409), (13, 3055451), (43, 923741), (91, 436493), (301, 131963), (559, 71057), (3913, 10151)]