28319885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2309}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 37255680

約数和(自身を除く): 8935795

約数列:

[1, 5, 11, 55, 223, 1115, 2309, 2453, 11545, 12265, 25399, 126995, 514907, 2574535, 5663977, 28319885]

約数ペア:

[(1, 28319885), (5, 5663977), (11, 2574535), (55, 514907), (223, 126995), (1115, 25399), (2309, 12265), (2453, 11545)]