How many positive integers n satisfy σ(n) = 56? Type your answer...

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Need help with these two Intro to Elementary Number Theory Homework problems.

 

How many positive integers n satisfy aσ(n) = 56?
Type your answer...
Transcribed Image Text:How many positive integers n satisfy aσ(n) = 56? Type your answer...
How many positive integers n less than or equal to 11,347 satisfy
d(n) 1 (mod 2)?
Type your answer...
Transcribed Image Text:How many positive integers n less than or equal to 11,347 satisfy d(n) 1 (mod 2)? Type your answer...
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