28260245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10111}}^1$

素因数の和:10172

約数の個数: 16

約数和(自身を含む): 37373952

約数和(自身を除く): 9113707

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 10111, 50555, 131443, 434773, 657215, 2173865, 5652049, 28260245]

約数ペア:

[(1, 28260245), (5, 5652049), (13, 2173865), (43, 657215), (65, 434773), (215, 131443), (559, 50555), (2795, 10111)]