2193385825

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{904489}}^1$

素因数の和:904596

約数の個数: 12

約数和(自身を含む): 2747840620

約数和(自身を除く): 554454795

約数列:

[1, 5, 25, 97, 485, 2425, 904489, 4522445, 22612225, 87735433, 438677165, 2193385825]

約数ペア:

[(1, 2193385825), (5, 438677165), (25, 87735433), (97, 22612225), (485, 4522445), (2425, 904489)]