login
A287026
List of pairs of amicable numbers (m, n) with record value of m/n.
3
220, 284, 1184, 1210, 6232, 6368, 10744, 10856, 66928, 66992, 16137628, 16150628, 28118032, 28128368, 766292835, 766512285, 1930301618, 1930741582, 4000783984, 4001351168, 44303273584, 44307987968, 85617896265, 85625175735, 161899964416, 161905117184
OFFSET
1,1
COMMENTS
The 2 members in each pair are adjacent to each other in the sequence.
The pairs were found using Sergei Chernykh's Amicable pair list. There are 21 pairs with lesser member < 10^18.
LINKS
Sergei Chernykh, Amicable pairs list.
Shyam Sunder Gupta, Amicable Numbers.
EXAMPLE
The ratios m/n are
220/284 = 0.7746...
1184/1210 = 0.9785...
6232/6368 = 0.9786...
10744/10856 = 0.9896...
66928/66992 = 0.9990...
16137628/16150628 = 0.9991...
28118032/28128368 = 0.9996...
766292835/766512285 = 0.99971...
1930301618/1930741582 = 0.99977...
4000783984/4001351168 = 0.99985...
44303273584/44307987968 = 0.99989...
85617896265/85625175735 = 0.99991...
161899964416/161905117184 = 0.99996...
456280713808/456281771312 = 0.999997...
52326552030976/52326637800704 = 0.999998...
1132213192149585/1132213862340015 = 0.9999994...
27117998061385216/27118008762013184 = 0.99999960...
226615161368838645/226615243086790155 = 0.99999963...
286707053950093312/286707152546674688 = 0.99999965...
692760387785689984/692760539319737216 = 0.99999978...
794879833279366144/794879862664408064 = 0.99999996...
5462337996254147968/5462338103823900032 = 0.99999998...
CROSSREFS
Cf. A259180 (amicable pairs).
Sequence in context: A273259 A262624 A262622 * A233538 A328063 A328065
KEYWORD
nonn,tabf
AUTHOR
Amiram Eldar, Aug 31 2017
STATUS
approved