28357768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208513}}^1$

素因数の和:208536

約数の個数: 16

約数和(自身を含む): 56298780

約数和(自身を除く): 27941012

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208513, 417026, 834052, 1668104, 3544721, 7089442, 14178884, 28357768]

約数ペア:

[(1, 28357768), (2, 14178884), (4, 7089442), (8, 3544721), (17, 1668104), (34, 834052), (68, 417026), (136, 208513)]