28080821756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{540015803}}^1$

素因数の和:540015820

約数の個数: 12

約数和(自身を含む): 52921548792

約数和(自身を除く): 24840727036

約数列:

[1, 2, 4, 13, 26, 52, 540015803, 1080031606, 2160063212, 7020205439, 14040410878, 28080821756]

約数ペア:

[(1, 28080821756), (2, 14040410878), (4, 7020205439), (13, 2160063212), (26, 1080031606), (52, 540015803)]