131578746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1686907}}^1$

素因数の和:1686925

約数の個数: 16

約数和(自身を含む): 283400544

約数和(自身を除く): 151821798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1686907, 3373814, 5060721, 10121442, 21929791, 43859582, 65789373, 131578746]

約数ペア:

[(1, 131578746), (2, 65789373), (3, 43859582), (6, 21929791), (13, 10121442), (26, 5060721), (39, 3373814), (78, 1686907)]