208528135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 269867520

約数和(自身を除く): 61339385

約数列:

[1, 5, 19, 95, 101, 103, 211, 505, 515, 1055, 1919, 1957, 4009, 9595, 9785, 10403, 20045, 21311, 21733, 52015, 106555, 108665, 197657, 404909, 412927, 988285, 2024545, 2064635, 2195033, 10975165, 41705627, 208528135]

約数ペア:

[(1, 208528135), (5, 41705627), (19, 10975165), (95, 2195033), (101, 2064635), (103, 2024545), (211, 988285), (505, 412927), (515, 404909), (1055, 197657), (1919, 108665), (1957, 106555), (4009, 52015), (9595, 21733), (9785, 21311), (10403, 20045)]