16485217

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{17707}}^1$

素因数の和:17740

約数の個数: 12

約数和(自身を含む): 20187120

約数和(自身を除く): 3701903

約数列:

[1, 7, 19, 49, 133, 931, 17707, 123949, 336433, 867643, 2355031, 16485217]

約数ペア:

[(1, 16485217), (7, 2355031), (19, 867643), (49, 336433), (133, 123949), (931, 17707)]