A260108 - cp's OEIS frontend

A260108 Primes of the form sigma(k) + product of divisors of k.

n	a(n)
1	2
2	5
3	7
4	11
5	79
6	23
7	47
8	769
9	59
10	32831
11	83
12	125093
13	107
14	3329
15	167
16	7333
17	179
18	12473
19	227
20	268435711
21	263
22	26113
23	347
24	359
25	383
26	46489
27	467
28	56489
29	479
30	14706467
31	503
32	70549
33	20797247
34	563
35	587
36	102121
37	126457
38	719
39	133669
40	153313
41	171049
42	839
43	863
44	191449
45	887

[2, 5, 7, 11, 79, 23, 47, 769, 59, 32831, 83, 125093, 107, 3329, 167, 7333, 179, 12473, 227, 268435711, 263, 26113, 347, 359, 383, 46489, 467, 56489, 479, 14706467, 503, 70549, 20797247, 563, 587, 102121, 126457, 719, 133669, 153313, 171049, 839, 863, 191449, 887]

cp's OEIS Frontend

A260108 Primes of the form sigma(k) + product of divisors of k.

Table of values

List of values