22217170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28123}}^1$

素因数の和:28209

約数の個数: 16

約数和(自身を含む): 40498560

約数和(自身を除く): 18281390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 28123, 56246, 140615, 281230, 2221717, 4443434, 11108585, 22217170]

約数ペア:

[(1, 22217170), (2, 11108585), (5, 4443434), (10, 2221717), (79, 281230), (158, 140615), (395, 56246), (790, 28123)]