28366205

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{27947}}^1$

素因数の和:27988

約数の個数: 16

約数和(自身を含む): 40245120

約数和(自身を除く): 11878915

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 27947, 139735, 195629, 810463, 978145, 4052315, 5673241, 28366205]

約数ペア:

[(1, 28366205), (5, 5673241), (7, 4052315), (29, 978145), (35, 810463), (145, 195629), (203, 139735), (1015, 27947)]