28895321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1021}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 35712768

約数和(自身を除く): 6817447

約数列:

[1, 7, 13, 91, 311, 1021, 2177, 4043, 7147, 13273, 28301, 92911, 317531, 2222717, 4127903, 28895321]

約数ペア:

[(1, 28895321), (7, 4127903), (13, 2222717), (91, 317531), (311, 92911), (1021, 28301), (2177, 13273), (4043, 7147)]