Perfect numbers: Difference between revisions
jq
(Add note about the minimum size of an odd perfect number. It's so large that most of the programs here can safely ignore them.) |
(jq) |
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496
8128</pre>
=={{header|jq}}==
<lang jq>
def is_perfect:
. as $in
| $in == reduce range(1;$in) as $i
(0; if ($in % $i) == 0 then $i + . else . end);
# Example:
range(1;10001) | select( is_perfect )</lang>
{{Out}}
# jq -n -f is_perfect.jq
6
28
496
8128
=={{header|Julia}}==
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