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Old 2009-03-29, 19:42   #9
mklasson
 
Feb 2004

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Quote:
Originally Posted by Joshua2 View Post
I think I forgot to add the one term each time, since I added the factors, but not 1, I correctly ignored the number itself though. Is there anything else I did wrong?
I suspect so. Just adding up the prime factors isn't enough if that's what you did. You may want to read http://en.wikipedia.org/wiki/Divisor_function.
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