Answer:
a. 6
Step-by-step explanation:
A number for which sum of all its factors is equal to twice the number is called a perfect nunber. The numbers 6 are perfect number as 6 = 1 + 2 + 3 and 28 = 1 + 2 + 4 + 7 + 14.
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Answers & Comments
Answer:
a. 6
Step-by-step explanation:
A number for which sum of all its factors is equal to twice the number is called a perfect nunber. The numbers 6 are perfect number as 6 = 1 + 2 + 3 and 28 = 1 + 2 + 4 + 7 + 14.