E152  De numeris amicabilibus
(On amicable numbers)
Summary:
Euler introduces the function S(n), the sum of the divisors of n.
According to C. G. J. Jacobi, a treatise with
this title was read to the Berlin Academy on February 23, 1747.
Publication:

Originally published in Opuscula varii argumenti 2, 1750, pp. 23107

Opera Omnia: Series 1, Volume 2, pp. 86  162
 Reprinted in Commentat. arithm. 1, 1849, pp. 102145 [E152a]
 A
handwritten French translation of this treatise can be found in the library of the observatory in
Uccle, near Brussels.
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