What is the smallest perfect number?

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A perfect number is a positive integer that is equal to the sum of its proper positive divisors, excluding the number itself. Equivalently, a perfect number is a number that is half the sum of all of its positive divisors (including itself).
Ninjai
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Very interesting!
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Answers by country

6
28
2
128
answers
flagthe Netherlands
75%
0%
25%
0%
12
flagAustralia
65%
13%
13%
8%
23
flagPoland
49%
9%
34%
5%
1445
flagthe United States
47%
7%
36%
5%
38
flagGermany
38%
8%
52%
1%
73
flagthe United Kingdom
36%
16%
46%
0%
30
flagIndia
20%
15%
56%
6%
44
flagAustria
10%
20%
60%
10%
10