A326054 - cp's OEIS frontend

A326054 a(n) = A326053(n) - n, where A326053 gives the sum of all other divisors of n except the largest square divisor.

n	a(n)
1	-1
2	0
3	0
4	-1
5	0
6	5
7	0
8	3
9	-5
10	7
11	0
12	12
13	0
14	9
15	8
16	-1
17	0
18	12
19	0
20	18
21	10
22	13
23	0
24	32
25	-19
26	15
27	4
28	24
29	0
30	41
31	0
32	15
33	14
34	19
35	12
36	19
37	0
38	21
39	16
40	46
41	0
42	53
43	0
44	36
45	24
46	25
47	0
48	60
49	-41
50	18
51	20
52	42
53	0
54	57
55	16
56	60
57	22
58	31
59	0
60	104
61	0
62	33
63	32
64	-1
65	18
66	77
67	0
68	54
69	26
70	73
71	0
72	87
73	0
74	39
75	24
76	60
77	18
78	89
79	0
80	90
81	-41
82	43
83	0
84	136
85	22
86	45
87	32
88	88
89	0
90	135
91	20

[-1, 0, 0, -1, 0, 5, 0, 3, -5, 7, 0, 12, 0, 9, 8, -1, 0, 12, 0, 18, 10, 13, 0, 32, -19, 15, 4, 24, 0, 41, 0, 15, 14, 19, 12, 19, 0, 21, 16, 46, 0, 53, 0, 36, 24, 25, 0, 60, -41, 18, 20, 42, 0, 57, 16, 60, 22, 31, 0, 104, 0, 33, 32, -1, 18, 77, 0, 54, 26, 73, 0, 87, 0, 39, 24, 60, 18, 89, 0, 90, -41, 43, 0, 136, 22, 45, 32, 88, 0, 135, 20]

cp's OEIS Frontend

A326054 a(n) = A326053(n) - n, where A326053 gives the sum of all other divisors of n except the largest square divisor.

Table of values

List of values

n	a(n)
1	-1
2	0
3	0
4	-1
5	0
6	5
7	0
8	3
9	-5
10	7
11	0
12	12
13	0
14	9
15	8
16	-1
17	0
18	12
19	0
20	18
21	10
22	13
23	0
24	32
25	-19
26	15
27	4
28	24
29	0
30	41
31	0
32	15
33	14
34	19
35	12
36	19
37	0
38	21
39	16
40	46
41	0
42	53
43	0
44	36
45	24
46	25
47	0
48	60
49	-41
50	18
51	20
52	42
53	0
54	57
55	16
56	60
57	22
58	31
59	0
60	104
61	0
62	33
63	32
64	-1
65	18
66	77
67	0
68	54
69	26
70	73
71	0
72	87
73	0
74	39
75	24
76	60
77	18
78	89
79	0
80	90
81	-41
82	43
83	0
84	136
85	22
86	45
87	32
88	88
89	0
90	135
91	20

n	a(n)
1	-1
2	0
3	0
4	-1
5	0
6	5
7	0
8	3
9	-5
10	7
11	0
12	12
13	0
14	9
15	8
16	-1
17	0
18	12
19	0
20	18
21	10
22	13
23	0
24	32
25	-19
26	15
27	4
28	24
29	0
30	41
31	0
32	15
33	14
34	19
35	12
36	19
37	0
38	21
39	16
40	46
41	0
42	53
43	0
44	36
45	24
46	25
47	0
48	60
49	-41
50	18
51	20
52	42
53	0
54	57
55	16
56	60
57	22
58	31
59	0
60	104
61	0
62	33
63	32
64	-1
65	18
66	77
67	0
68	54
69	26
70	73
71	0
72	87
73	0
74	39
75	24
76	60
77	18
78	89
79	0
80	90
81	-41
82	43
83	0
84	136
85	22
86	45
87	32
88	88
89	0
90	135
91	20

n	a(n)
1	-1
2	0
3	0
4	-1
5	0
6	5
7	0
8	3
9	-5
10	7
11	0
12	12
13	0
14	9
15	8
16	-1
17	0
18	12
19	0
20	18
21	10
22	13
23	0
24	32
25	-19
26	15
27	4
28	24
29	0
30	41
31	0
32	15
33	14
34	19
35	12
36	19
37	0
38	21
39	16
40	46
41	0
42	53
43	0
44	36
45	24
46	25
47	0
48	60
49	-41
50	18
51	20
52	42
53	0
54	57
55	16
56	60
57	22
58	31
59	0
60	104
61	0
62	33
63	32
64	-1
65	18
66	77
67	0
68	54
69	26
70	73
71	0
72	87
73	0
74	39
75	24
76	60
77	18
78	89
79	0
80	90
81	-41
82	43
83	0
84	136
85	22
86	45
87	32
88	88
89	0
90	135
91	20