28685657

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28657}}^1$

素因数の和:28688

約数の個数: 16

約数和(自身を含む): 38516352

約数和(自身を除く): 9830695

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 28657, 200599, 315227, 372541, 2206589, 2607787, 4097951, 28685657]

約数ペア:

[(1, 28685657), (7, 4097951), (11, 2607787), (13, 2206589), (77, 372541), (91, 315227), (143, 200599), (1001, 28657)]