12420667

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 15365376

約数和(自身を除く): 2944709

約数列:

[1, 7, 23, 49, 103, 107, 161, 721, 749, 1127, 2369, 2461, 5047, 5243, 11021, 16583, 17227, 77147, 116081, 120589, 253483, 540029, 1774381, 12420667]

約数ペア:

[(1, 12420667), (7, 1774381), (23, 540029), (49, 253483), (103, 120589), (107, 116081), (161, 77147), (721, 17227), (749, 16583), (1127, 11021), (2369, 5243), (2461, 5047)]