Proper divisors: Difference between revisions

m
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Empty: Pos_Arr(1 .. 0);
function Arr(P: Positive) return Single_Pos_Arr is ((others => 1P));
-- A: Pos_Arr(1..1) := (1 => P);
-- begin
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{{out}}
<pre> 1 has 0 proper divisors:
2 has 1 proper divisors: 1
3 has 1 proper divisors: 1
4 has 2 proper divisors: 1 12
5 has 1 proper divisors: 1
6 has 3 proper divisors: 1 12 13
7 has 1 proper divisors: 1
8 has 3 proper divisors: 1 12 14
9 has 2 proper divisors: 1 13
10 has 3 proper divisors: 1 12 15
 
15120 has the maximum number of 79 proper divisors.</pre>
 
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