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Restricted Divisor Function


RestrictedDivisorFunction

The sum of the aliquot divisors of n, given by

 s(n)=sigma(n)-n,

where sigma(n) is the divisor function. The first few values are 0, 1, 1, 3, 1, 6, 1, 7, 4, 8, 1, 16, ... (OEIS A001065).


See also

Divisor Function

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References

Sloane, N. J. A. Sequence A001065/M2226 in "The On-Line Encyclopedia of Integer Sequences."

Referenced on Wolfram|Alpha

Restricted Divisor Function

Cite this as:

Weisstein, Eric W. "Restricted Divisor Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RestrictedDivisorFunction.html

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