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Old 2020-09-29, 14:46   #1
enzocreti
 
Mar 2018

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Default 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
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Old 2020-09-29, 14:53   #2
Uncwilly
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Do your own work/testing to answer your own question.


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