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Proper divisors: Difference between revisions

m
(→‎Filter solution: Removed redundant brackets.)
Line 4,319:
{
#Returning NULL seems like bad code, but task 2 demands some output for n=1, which has no proper divisors.
if(n==1) NULL else( Filter(function(x) n %% x == 0, 1:(n%/%2)))
}
 
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