2011640407

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1\times {\mathrm{2909}}^1$

素因数の和:3582

約数の個数: 16

約数和(自身を含む): 2315335680

約数和(自身を除く): 303695273

約数列:

[1, 7, 223, 443, 1561, 2909, 3101, 20363, 98789, 648707, 691523, 1288687, 4540949, 9020809, 287377201, 2011640407]

約数ペア:

[(1, 2011640407), (7, 287377201), (223, 9020809), (443, 4540949), (1561, 1288687), (2909, 691523), (3101, 648707), (20363, 98789)]