1211297275

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{682421}}^1$

素因数の和:682502

約数の個数: 12

約数和(自身を含む): 1523165904

約数和(自身を除く): 311868629

約数列:

[1, 5, 25, 71, 355, 1775, 682421, 3412105, 17060525, 48451891, 242259455, 1211297275]

約数ペア:

[(1, 1211297275), (5, 242259455), (25, 48451891), (71, 17060525), (355, 3412105), (1775, 682421)]