12809503

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 15336000

約数和(自身を除く): 2526497

約数列:

[1, 7, 29, 89, 203, 623, 709, 2581, 4963, 18067, 20561, 63101, 143927, 441707, 1829929, 12809503]

約数ペア:

[(1, 12809503), (7, 1829929), (29, 441707), (89, 143927), (203, 63101), (623, 20561), (709, 18067), (2581, 4963)]