On the number of prime divisors of the iterates of the Carmichael function.
Kátai, Imre (2005)
Mathematica Pannonica
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Displaying similar documents to “On the iterates of the sum of exponential divisors.”
On the number of prime divisors of the iterates of the Carmichael function.
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Hagis, Peter jun. (1988)
International Journal of Mathematics and Mathematical Sciences
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On consecutive integers divisible by the number of their divisors
Titu Andreescu, Florian Luca, M. Tip Phaovibul (2016)
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We prove that there are no strings of three consecutive integers each divisible by the number of its divisors, and we give an estimate for the number of positive integers n ≤ x such that each of n and n + 1 is a multiple of the number of its divisors.
The 3rd Czech and Polish Conference on Number Theory. Problem session
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Acta Mathematica et Informatica Universitatis Ostraviensis
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