28066129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9949}}^1$

素因数の和:10000

約数の個数: 16

約数和(自身を含む): 35660800

約数和(自身を除く): 7594671

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 9949, 69643, 129337, 308419, 905359, 2158933, 4009447, 28066129]

約数ペア:

[(1, 28066129), (7, 4009447), (13, 2158933), (31, 905359), (91, 308419), (217, 129337), (403, 69643), (2821, 9949)]