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Theorem nat.prime.sum_proper_divisors

Modification history

2021-10-21 11:25
src/number_theory/divisors.lean
feat(ring_theory/polynomial/cyclotomic): add cyclotomic_prime_pow_eq_geom_sum and supporting lemmas (#9845) …
Deleted nat.prime.sum_proper_divisorsView on Github →
2020-10-15 20:34
src/number_theory/divisors.lean
feat(archive/100-theorems-list/70_perfect_numbers): Perfect Number Theorem, Direction 2 (#4621) …
Added nat.prime.sum_proper_divisorsView on Github →