Iterating the sum-of-divisors function.
Cohen, Graeme L. ; te Riele, Herman J.J.
Experimental Mathematics, Tome 5 (1996), p. 91-100 / Harvested from The Electronic Library of Mathematics
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Publié le : 1996-01-01
DOI : https://doi.org/10.1080/10586458.1996.10504580
EUDML-ID : urn:eudml:doc:226924 
@article{00952327,
     title = {Iterating the sum-of-divisors function.},
     journal = {Experimental Mathematics},
     volume = {5},
     year = {1996},
     pages = {91-100},
     doi = {10.1080/10586458.1996.10504580},
     zbl = {0866.11003},
     language = {en},
     url = {http://dml.mathdoc.fr/item/00952327}
}

Cohen, Graeme L.; te Riele, Herman J.J. Iterating the sum-of-divisors function.. Experimental Mathematics, Tome 5 (1996) pp. 91-100. doi : 10.1080/10586458.1996.10504580. http://gdmltest.u-ga.fr/item/00952327/