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Old 2019-04-07, 17:03   #35
Apr 2019

25 Posts

Originally Posted by ThiloHarich View Post

The sum of all divisors - not the prime divisors I thought of - can be higher then the number itself. So I misinterpreted your model.

So yes abundant numbers are good candidates.
But for example 105 and 15 are no such numbers but are good 'k'.
Sum means here the amount, quantity.

Last fiddled with by nesio on 2019-04-07 at 17:11 Reason: grammar correction
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