Mathematical Citation Quotient (MCQ) 2018: 0.40
On the Sum of Reciprocals of Amicable Numbers
Two numbers m and n are considered amicable if the sum of their proper divisors, s(n) and s(m), satisfy s(n) = m and s(m) = n. In 1981, Pomerance showed that the sum of the reciprocals of all such numbers, P, is a constant. We obtain both a lower and an upper bound on the value of P.
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