217941245

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{2753}}^1$

素因数の和:3052

約数の個数: 16

約数和(自身を含む): 266499072

約数和(自身を除く): 48557827

約数列:

[1, 5, 71, 223, 355, 1115, 2753, 13765, 15833, 79165, 195463, 613919, 977315, 3069595, 43588249, 217941245]

約数ペア:

[(1, 217941245), (5, 43588249), (71, 3069595), (223, 977315), (355, 613919), (1115, 195463), (2753, 79165), (13765, 15833)]