On two conjectures of Sierpi\'nski concerning the arithmetic functions $\sigma$ and $\phi$

zbMath0931.11032arXiv1910.08452MaRDI QIDQ4252230

Kevin Ford, Sergei V. Konyagin

Publication date: 22 February 2000

Full work available at URL: https://arxiv.org/abs/1910.08452

zbMATH Keywords

almost primessieve methodsEuler's phi-functionsum of divisor function

Mathematics Subject Classification ID

Applications of sieve methods (11N36) Distribution of integers with specified multiplicative constraints (11N25) Other results on the distribution of values or the characterization of arithmetic functions (11N64)

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