The number of prime factors of integers with dense divisors
Journal of Number Theory(2022)
摘要
We show that for integers n, whose ratios of consecutive divisors are bounded above by an arbitrary constant, the normal order of the number of prime factors is Cloglogn, where C=(1−e−γ)−1=2.280... and γ is Euler's constant. We explore several applications and resolve a conjecture of Margenstern about practical numbers.
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关键词
11N25,11N37
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