A008472 - cp's OEIS frontend

A008472 Sum of the distinct primes dividing n.

n	a(n)
1	0
2	2
3	3
4	2
5	5
6	5
7	7
8	2
9	3
10	7
11	11
12	5
13	13
14	9
15	8
16	2
17	17
18	5
19	19
20	7
21	10
22	13
23	23
24	5
25	5
26	15
27	3
28	9
29	29
30	10
31	31
32	2
33	14
34	19
35	12
36	5
37	37
38	21
39	16
40	7
41	41
42	12
43	43
44	13
45	8
46	25
47	47
48	5
49	7
50	7
51	20
52	15
53	53
54	5
55	16
56	9
57	22
58	31
59	59
60	10
61	61
62	33
63	10
64	2
65	18
66	16
67	67
68	19
69	26
70	14
71	71
72	5
73	73

[0, 2, 3, 2, 5, 5, 7, 2, 3, 7, 11, 5, 13, 9, 8, 2, 17, 5, 19, 7, 10, 13, 23, 5, 5, 15, 3, 9, 29, 10, 31, 2, 14, 19, 12, 5, 37, 21, 16, 7, 41, 12, 43, 13, 8, 25, 47, 5, 7, 7, 20, 15, 53, 5, 16, 9, 22, 31, 59, 10, 61, 33, 10, 2, 18, 16, 67, 19, 26, 14, 71, 5, 73]

cp's OEIS Frontend

A008472 Sum of the distinct primes dividing n.

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	2
5	5
6	5
7	7
8	2
9	3
10	7
11	11
12	5
13	13
14	9
15	8
16	2
17	17
18	5
19	19
20	7
21	10
22	13
23	23
24	5
25	5
26	15
27	3
28	9
29	29
30	10
31	31
32	2
33	14
34	19
35	12
36	5
37	37
38	21
39	16
40	7
41	41
42	12
43	43
44	13
45	8
46	25
47	47
48	5
49	7
50	7
51	20
52	15
53	53
54	5
55	16
56	9
57	22
58	31
59	59
60	10
61	61
62	33
63	10
64	2
65	18
66	16
67	67
68	19
69	26
70	14
71	71
72	5
73	73

n	a(n)
1	0
2	2
3	3
4	2
5	5
6	5
7	7
8	2
9	3
10	7
11	11
12	5
13	13
14	9
15	8
16	2
17	17
18	5
19	19
20	7
21	10
22	13
23	23
24	5
25	5
26	15
27	3
28	9
29	29
30	10
31	31
32	2
33	14
34	19
35	12
36	5
37	37
38	21
39	16
40	7
41	41
42	12
43	43
44	13
45	8
46	25
47	47
48	5
49	7
50	7
51	20
52	15
53	53
54	5
55	16
56	9
57	22
58	31
59	59
60	10
61	61
62	33
63	10
64	2
65	18
66	16
67	67
68	19
69	26
70	14
71	71
72	5
73	73

n	a(n)
1	0
2	2
3	3
4	2
5	5
6	5
7	7
8	2
9	3
10	7
11	11
12	5
13	13
14	9
15	8
16	2
17	17
18	5
19	19
20	7
21	10
22	13
23	23
24	5
25	5
26	15
27	3
28	9
29	29
30	10
31	31
32	2
33	14
34	19
35	12
36	5
37	37
38	21
39	16
40	7
41	41
42	12
43	43
44	13
45	8
46	25
47	47
48	5
49	7
50	7
51	20
52	15
53	53
54	5
55	16
56	9
57	22
58	31
59	59
60	10
61	61
62	33
63	10
64	2
65	18
66	16
67	67
68	19
69	26
70	14
71	71
72	5
73	73