Straus, E. G.; Subbarao, M. V. On exponential divisors. (English) Zbl 0295.10008 Duke Math. J. 41, 465-471 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 Documents MSC: 11A25 Arithmetic functions; related numbers; inversion formulas PDFBibTeX XMLCite \textit{E. G. Straus} and \textit{M. V. Subbarao}, Duke Math. J. 41, 465--471 (1974; Zbl 0295.10008) Full Text: DOI Online Encyclopedia of Integer Sequences: e-perfect numbers: numbers k such that the sum of the e-divisors (exponential divisors) of k equals 2*k. Primitive e-perfect numbers: primitive elements of the e-perfect numbers (A054979). Irregular triangle read by rows in which the n-th row lists the exponential divisors (or e-divisors) of n. Primitive exponential abundant numbers: the powerful terms of A129575.