78840215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{1123}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 99811200

約数和(自身を除く): 20970985

約数列:

[1, 5, 19, 95, 739, 1123, 3695, 5615, 14041, 21337, 70205, 106685, 829897, 4149485, 15768043, 78840215]

約数ペア:

[(1, 78840215), (5, 15768043), (19, 4149485), (95, 829897), (739, 106685), (1123, 70205), (3695, 21337), (5615, 14041)]