27989845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1931}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 36352512

約数和(自身を除く): 8362667

約数列:

[1, 5, 13, 65, 223, 1115, 1931, 2899, 9655, 14495, 25103, 125515, 430613, 2153065, 5597969, 27989845]

約数ペア:

[(1, 27989845), (5, 5597969), (13, 2153065), (65, 430613), (223, 125515), (1115, 25103), (1931, 14495), (2899, 9655)]