28465871

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 35253504

約数和(自身を除く): 6787633

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 5563, 38941, 94571, 239209, 661997, 1674463, 4066553, 28465871]

約数ペア:

[(1, 28465871), (7, 4066553), (17, 1674463), (43, 661997), (119, 239209), (301, 94571), (731, 38941), (5117, 5563)]