128189968

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{6551}}^1$

素因数の和:7782

約数の個数: 20

約数和(自身を含む): 248609088

約数和(自身を除く): 120419120

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 6551, 9784, 13102, 19568, 26204, 52408, 104816, 8011873, 16023746, 32047492, 64094984, 128189968]

約数ペア:

[(1, 128189968), (2, 64094984), (4, 32047492), (8, 16023746), (16, 8011873), (1223, 104816), (2446, 52408), (4892, 26204), (6551, 19568), (9784, 13102)]