scott wrote:
>> 6 is not an amicable number because it's only amciable with itself. 
>> This was not made clear anywhere,
> 
> Ermm, it says in the question that:
> 
> If d(a) = b and d(b) = a, where a (doesn't equal) b, then a and b are an 
> amicable pair and each of a and b are called amicable numbers.
> 
> Seems pretty clear that 6 is not an amicable number to me...

Interesting. I don't remember that being there... (And the comments in 
the forum indicated that I wasn't the only person to get this wrong.) 
Maybe they changed it or something...

Post a reply to this message