1561567255

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{29131}}^1$

素因数の和:29358

約数の個数: 16

約数和(自身を含む): 1912923648

約数和(自身を除く): 351356393

約数列:

[1, 5, 71, 151, 355, 755, 10721, 29131, 53605, 145655, 2068301, 4398781, 10341505, 21993905, 312313451, 1561567255]

約数ペア:

[(1, 1561567255), (5, 312313451), (71, 21993905), (151, 10341505), (355, 4398781), (755, 2068301), (10721, 145655), (29131, 53605)]