387866885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 572866560

約数和(自身を除く): 184999675

約数列:

[1, 5, 7, 31, 35, 59, 73, 83, 155, 217, 295, 365, 413, 415, 511, 581, 1085, 1829, 2065, 2263, 2555, 2573, 2905, 4307, 4897, 6059, 9145, 11315, 12803, 12865, 15841, 18011, 21535, 24485, 30149, 30295, 34279, 42413, 64015, 79205, 90055, 133517, 150745, 151807, 171395, 187829, 212065, 357481, 667585, 759035, 934619, 939145, 1062649, 1314803, 1787405, 2502367, 4673095, 5313245, 6574015, 11081911, 12511835, 55409555, 77573377, 387866885]

約数ペア:

[(1, 387866885), (5, 77573377), (7, 55409555), (31, 12511835), (35, 11081911), (59, 6574015), (73, 5313245), (83, 4673095), (155, 2502367), (217, 1787405), (295, 1314803), (365, 1062649), (413, 939145), (415, 934619), (511, 759035), (581, 667585), (1085, 357481), (1829, 212065), (2065, 187829), (2263, 171395), (2555, 151807), (2573, 150745), (2905, 133517), (4307, 90055), (4897, 79205), (6059, 64015), (9145, 42413), (11315, 34279), (12803, 30295), (12865, 30149), (15841, 24485), (18011, 21535)]