28247947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7219}}^1$

素因数の和:7282

約数の個数: 16

約数和(自身を含む): 35580160

約数和(自身を除く): 7332213

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 7219, 50533, 93847, 310417, 656929, 2172919, 4035421, 28247947]

約数ペア:

[(1, 28247947), (7, 4035421), (13, 2172919), (43, 656929), (91, 310417), (301, 93847), (559, 50533), (3913, 7219)]