Are there infinitely many even perfect numbers?
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| created: 2019-03-31 09:24:32 | modified: 2019-03-31 09:25:34 | by: bookofproofs | references: [1272]
[1272] Landau, Edmund: “Vorlesungen über Zahlentheorie, Aus der Elementaren Zahlentheorie”, S. Hirzel, Leipzig, 1927