A number is a said to be ________________ number when all its factors add up to twice that number the examples are __________ and___________
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Answer:
perfect number,6&28
Step-by-step explanation:
6:factors are 1,2,3,6.
sum=12 twice of 6
28: factors are 1,2,3,4,7,14,28.
saum=56 twice of 28
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