28563857

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 33296640

約数和(自身を除く): 4732783

約数列:

[1, 7, 103, 173, 229, 721, 1211, 1603, 17819, 23587, 39617, 124733, 165109, 277319, 4080551, 28563857]

約数ペア:

[(1, 28563857), (7, 4080551), (103, 277319), (173, 165109), (229, 124733), (721, 39617), (1211, 23587), (1603, 17819)]