28381705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2851}}^1$

素因数の和:3048

約数の個数: 16

約数和(自身を含む): 37372608

約数和(自身を除く): 8990903

約数列:

[1, 5, 11, 55, 181, 905, 1991, 2851, 9955, 14255, 31361, 156805, 516031, 2580155, 5676341, 28381705]

約数ペア:

[(1, 28381705), (5, 5676341), (11, 2580155), (55, 516031), (181, 156805), (905, 31361), (1991, 14255), (2851, 9955)]