References
- G.H. Hardy and E.M. Wright, An Introduction to the Theory of Numbers, Oxford, at the Clarendon Press, 1960.
- A. Ivić, The Riemann Zeta-Function, Dover Publications, Inc., Mineola, NY, 2003.
- A. Ivić and P. Shiu, The distribution of powerful integers, Illinois J. Math. 26 (1982), no. 4, 576–590.
- R. Jakimczuk, The kernel of powerful numbers, Int. Math. Forum 12 (2017), no. 15, 721–730.
- R. Jakimczuk and M. Lalín, Sums of ω(n) and Ω (n) over the k-free parts and k-full parts of some particular sequences, Integers 22 (2022), Paper No. A113, 22 pp.
- I. Niven, Averages of exponents in factoring integers, Proc. Amer. Math. Soc. 22 (1969), 356–360.