28216643

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7211}}^1$

素因数の和:7274

約数の個数: 16

約数和(自身を含む): 35540736

約数和(自身を除く): 7324093

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 7211, 50477, 93743, 310073, 656201, 2170511, 4030949, 28216643]

約数ペア:

[(1, 28216643), (7, 4030949), (13, 2170511), (43, 656201), (91, 310073), (301, 93743), (559, 50477), (3913, 7211)]