166688425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8161}}^1$

素因数の和:8233

約数の個数: 24

約数和(自身を含む): 222659360

約数和(自身を除く): 55970935

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 8161, 20425, 40805, 155059, 204025, 350923, 775295, 1754615, 3876475, 6667537, 8773075, 33337685, 166688425]

約数ペア:

[(1, 166688425), (5, 33337685), (19, 8773075), (25, 6667537), (43, 3876475), (95, 1754615), (215, 775295), (475, 350923), (817, 204025), (1075, 155059), (4085, 40805), (8161, 20425)]