28001554

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{105269}}^1$

素因数の和:105297

約数の個数: 16

約数和(自身を含む): 50529600

約数和(自身を除く): 22528046

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 105269, 210538, 736883, 1473766, 2000111, 4000222, 14000777, 28001554]

約数ペア:

[(1, 28001554), (2, 14000777), (7, 4000222), (14, 2000111), (19, 1473766), (38, 736883), (133, 210538), (266, 105269)]