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Proper divisors: Difference between revisions
→{{header|Python}}: Fix for 1.
(1 has no proper divisors.) |
(→{{header|Python}}: Fix for 1.) |
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=={{header|Python}}==
===Python: Literal===
A very literal interpretation
<lang python>>>> def proper_divs2(n):
... return {x for x in range(1, (n + 1) // 2 + 1) if n % x == 0 and n != x}
...
>>> [proper_divs2(n) for n in range(1, 11)]
[
>>>
>>> n, length = max(((n, len(proper_divs2(n))) for n in range(1, 20001)), key=lambda pd: pd[1])
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except KeyError:
pass
return divs or ({1} if n != 1 else set())
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{{out}}
<pre>[
15120 79</pre>
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