77721561215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{28211093}}^1$

素因数の和:28211146

約数の個数: 16

約数和(自身を含む): 101559938400

約数和(自身を除く): 23838377185

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 28211093, 141055465, 536010767, 818121697, 2680053835, 4090608485, 15544312243, 77721561215]

約数ペア:

[(1, 77721561215), (5, 15544312243), (19, 4090608485), (29, 2680053835), (95, 818121697), (145, 536010767), (551, 141055465), (2755, 28211093)]