28684205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27449}}^1$

素因数の和:27484

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 10843795

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 27449, 137245, 301939, 521531, 1509695, 2607655, 5736841, 28684205]

約数ペア:

[(1, 28684205), (5, 5736841), (11, 2607655), (19, 1509695), (55, 521531), (95, 301939), (209, 137245), (1045, 27449)]