28179385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11717}}^1$

素因数の和:11772

約数の個数: 16

約数和(自身を含む): 37403856

約数和(自身を除く): 9224471

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 11717, 58585, 152321, 433529, 761605, 2167645, 5635877, 28179385]

約数ペア:

[(1, 28179385), (5, 5635877), (13, 2167645), (37, 761605), (65, 433529), (185, 152321), (481, 58585), (2405, 11717)]