A351458 - cp's OEIS frontend

A351458 Numbers k for which k * gcd(sigma(k), A276086(k)) is equal to sigma(k) * gcd(k, A276086(k)), where A276086 is the primorial base exp-function, and sigma gives the sum of divisors of its argument.

n	a(n)
1	1
2	10
3	56
4	9196
5	9504
6	56160
7	121176
8	239096
9	354892
10	411264
11	555520
12	716040
13	804384
14	904704
15	1063348
16	1387386
17	1444352
18	1454112
19	1884800
20	2708640
21	3317248
22	3548920
23	4009824
24	4634784
25	6179712
26	6795360
27	7285248
28	14511744
29	16328466
30	28377216
31	29855232
32	31940280
33	37444736
34	42711552
35	49762944
36	52815744

[1, 10, 56, 9196, 9504, 56160, 121176, 239096, 354892, 411264, 555520, 716040, 804384, 904704, 1063348, 1387386, 1444352, 1454112, 1884800, 2708640, 3317248, 3548920, 4009824, 4634784, 6179712, 6795360, 7285248, 14511744, 16328466, 28377216, 29855232, 31940280, 37444736, 42711552, 49762944, 52815744]

cp's OEIS Frontend

A351458 Numbers k for which k * gcd(sigma(k), A276086(k)) is equal to sigma(k) * gcd(k, A276086(k)), where A276086 is the primorial base exp-function, and sigma gives the sum of divisors of its argument.

Table of values

List of values