On amicable and sociable numbers
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- by Henri Cohen PDF
- Math. Comp. 24 (1970), 423-429 Request permission
Abstract:
An exhaustive search has yielded 236 amicable pairs of which the lesser number is smaller than ${10^8}$, 57 pairs being new. It has also yielded 9 new sociable groups of order 10 or less, of which the lesser number is smaller than ${6.10^7}$; the 9 sociable groups are all of order 4. The sequence of iterates of the function $s(n) = \sigma (n) - n$ starting with 276 has also been extended to 119 terms.References
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Additional Information
- © Copyright 1970 American Mathematical Society
- Journal: Math. Comp. 24 (1970), 423-429
- MSC: Primary 10.03
- DOI: https://doi.org/10.1090/S0025-5718-1970-0271004-6
- MathSciNet review: 0271004