A332931 - cp's OEIS frontend

A332931 Sum of round(sqrt(d)) where d runs through the divisors of n.

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

[1, 2, 3, 4, 3, 6, 4, 7, 6, 7, 4, 11, 5, 9, 9, 11, 5, 13, 5, 13, 11, 10, 6, 19, 8, 11, 11, 16, 6, 20, 7, 17, 12, 12, 12, 24, 7, 12, 13, 22, 7, 24, 8, 19, 19, 14, 8, 30, 11, 19, 14, 20, 8, 25, 13, 26, 15, 15, 9, 37, 9, 16, 22, 25, 15, 28, 9, 22, 16, 28, 9, 40]

cp's OEIS Frontend

A332931 Sum of round(sqrt(d)) where d runs through the divisors of n.

Table of values

List of values

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

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

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