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PEN P Problems
43
43
Part of
PEN P Problems
Problems
(1)
P 43
Source:
5/25/2007
A positive integer
n
n
n
is abundant if the sum of its proper divisors exceeds
n
n
n
. Show that every integer greater than
89
×
315
89 \times 315
89
×
315
is the sum of two abundant numbers.
number theory
prime factorization
Additive Number Theory