A343824 - cp's OEIS frontend

A343824 Sum of the elements in all pairs (d1, d2) of divisors of n such that d1<=d2, d1|n, d2|n, and d1 + d2 <= n.

n	a(n)
1	0
2	2
3	2
4	9
5	2
6	24
7	2
8	28
9	12
10	32
11	2
12	96
13	2
14	40
15	36
16	75
17	2
18	126
19	2
20	132
21	44
22	56
23	2
24	288
25	18
26	64
27	52
28	168
29	2
30	336
31	2
32	186
33	60
34	80
35	52
36	495
37	2
38	88
39	68
40	400
41	2
42	432
43	2
44	240
45	198
46	104
47	2
48	760
49	24
50	258
51	84
52	276
53	2
54	528
55	68
56	512
57	92
58	128
59	2
60	1296
61	2
62	136
63	246
64	441
65	76
66	624
67	2
68	348

[0, 2, 2, 9, 2, 24, 2, 28, 12, 32, 2, 96, 2, 40, 36, 75, 2, 126, 2, 132, 44, 56, 2, 288, 18, 64, 52, 168, 2, 336, 2, 186, 60, 80, 52, 495, 2, 88, 68, 400, 2, 432, 2, 240, 198, 104, 2, 760, 24, 258, 84, 276, 2, 528, 68, 512, 92, 128, 2, 1296, 2, 136, 246, 441, 76, 624, 2, 348]

cp's OEIS Frontend

A343824 Sum of the elements in all pairs (d1, d2) of divisors of n such that d1<=d2, d1|n, d2|n, and d1 + d2 <= n.

Table of values

List of values