20200929, 14:46  #1 
Mar 2018
2^{2}·7·19 Posts 
Is 56238 the only N with this property?
Is 56238 the only positive integer N such that
sigma(N)/546=2^j, where j is a positive integer? sigma is the sum of the divisors of N 
20200929, 14:53  #2 
6809 > 6502
"""""""""""""""""""
Aug 2003
101×103 Posts
10635_{10} Posts 
Do your own work/testing to answer your own question.

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