A386213 - cp's OEIS frontend

A386213 Integers t having at least one nonempty subset of the set of its proper divisors for which the equation sigma(t) + r = m*t (m is any integer > 1, r is the sum of elements of such subset) is true.

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	15
8	16
9	18
10	20
11	21
12	24
13	28
14	30
15	32
16	36
17	40
18	42
19	44
20	45
21	48
22	50
23	52
24	54
25	56
26	60
27	63
28	64
29	66
30	70
31	72
32	75
33	78
34	80
35	84
36	88
37	90
38	96
39	99
40	100
41	102
42	104
43	105
44	108
45	112
46	114
47	117
48	120
49	126
50	128
51	130
52	132
53	135
54	136
55	138
56	140
57	144
58	150
59	152
60	153
61	154
62	156
63	160
64	162
65	165

[2, 4, 6, 8, 10, 12, 15, 16, 18, 20, 21, 24, 28, 30, 32, 36, 40, 42, 44, 45, 48, 50, 52, 54, 56, 60, 63, 64, 66, 70, 72, 75, 78, 80, 84, 88, 90, 96, 99, 100, 102, 104, 105, 108, 112, 114, 117, 120, 126, 128, 130, 132, 135, 136, 138, 140, 144, 150, 152, 153, 154, 156, 160, 162, 165]

cp's OEIS Frontend

A386213 Integers t having at least one nonempty subset of the set of its proper divisors for which the equation sigma(t) + r = m*t (m is any integer > 1, r is the sum of elements of such subset) is true.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	15
8	16
9	18
10	20
11	21
12	24
13	28
14	30
15	32
16	36
17	40
18	42
19	44
20	45
21	48
22	50
23	52
24	54
25	56
26	60
27	63
28	64
29	66
30	70
31	72
32	75
33	78
34	80
35	84
36	88
37	90
38	96
39	99
40	100
41	102
42	104
43	105
44	108
45	112
46	114
47	117
48	120
49	126
50	128
51	130
52	132
53	135
54	136
55	138
56	140
57	144
58	150
59	152
60	153
61	154
62	156
63	160
64	162
65	165

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	15
8	16
9	18
10	20
11	21
12	24
13	28
14	30
15	32
16	36
17	40
18	42
19	44
20	45
21	48
22	50
23	52
24	54
25	56
26	60
27	63
28	64
29	66
30	70
31	72
32	75
33	78
34	80
35	84
36	88
37	90
38	96
39	99
40	100
41	102
42	104
43	105
44	108
45	112
46	114
47	117
48	120
49	126
50	128
51	130
52	132
53	135
54	136
55	138
56	140
57	144
58	150
59	152
60	153
61	154
62	156
63	160
64	162
65	165

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	15
8	16
9	18
10	20
11	21
12	24
13	28
14	30
15	32
16	36
17	40
18	42
19	44
20	45
21	48
22	50
23	52
24	54
25	56
26	60
27	63
28	64
29	66
30	70
31	72
32	75
33	78
34	80
35	84
36	88
37	90
38	96
39	99
40	100
41	102
42	104
43	105
44	108
45	112
46	114
47	117
48	120
49	126
50	128
51	130
52	132
53	135
54	136
55	138
56	140
57	144
58	150
59	152
60	153
61	154
62	156
63	160
64	162
65	165