Stem divisor$ (all stems)
2 papers:
STOC-1985-Kaltofen #source code- Computing with Polynomials Given by Straight-Line Programs I: Greatest Common Divisors (EK), pp. 131–142.
STOC-1984-BachMS- Sums of Divisors, Perfect Numbers, and Factoring (Extended Abstract) (EB, GLM, JS), pp. 183–190.










