Answer:
8128
1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064
Explanation:
A perfect number is one whose divisors total the number itself. Only 51 perfect numbers are known at this time. The first five are ...
6, 28, 496, 8128, 33550336
The fourth perfect number is 8128. Its divisors (excluding the number itself) are ...
1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064