perplexus.info :: Numbers : SUM = PR0DUCT

SUM = PR0DUCT (Posted on 2017-10-18)

List all the integers N, below 10000, such that the sum of their proper divisors (i.e. N excluded) equals their product.

Counterexample:
take 12: s(1,2,3,4,6)=16; p(1,2,3,4,6)=144;
so 12 is not on the list.

See The Solution Submitted by Ady TZIDON

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Subject	Author	Date
re: Analytic Solution..............revised	Ady TZIDON	2017-10-19 23:07:03
Analytic Solution	Brian Smith	2017-10-18 12:02:57
computer solution	Charlie	2017-10-18 10:52:00

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