28160396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{640009}}^1$

素因数の和:640024

約数の個数: 12

約数和(自身を含む): 53760840

約数和(自身を除く): 25600444

約数列:

[1, 2, 4, 11, 22, 44, 640009, 1280018, 2560036, 7040099, 14080198, 28160396]

約数ペア:

[(1, 28160396), (2, 14080198), (4, 7040099), (11, 2560036), (22, 1280018), (44, 640009)]