81517956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 218077440

約数和(自身を除く): 136559484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 37, 39, 52, 58, 74, 78, 87, 111, 116, 148, 156, 174, 222, 348, 377, 444, 481, 487, 754, 962, 974, 1073, 1131, 1443, 1461, 1508, 1924, 1948, 2146, 2262, 2886, 2922, 3219, 4292, 4524, 5772, 5844, 6331, 6438, 12662, 12876, 13949, 14123, 18019, 18993, 25324, 27898, 28246, 36038, 37986, 41847, 42369, 54057, 55796, 56492, 72076, 75972, 83694, 84738, 108114, 167388, 169476, 183599, 216228, 234247, 367198, 468494, 522551, 550797, 702741, 734396, 936988, 1045102, 1101594, 1405482, 1567653, 2090204, 2203188, 2810964, 3135306, 6270612, 6793163, 13586326, 20379489, 27172652, 40758978, 81517956]

約数ペア:

[(1, 81517956), (2, 40758978), (3, 27172652), (4, 20379489), (6, 13586326), (12, 6793163), (13, 6270612), (26, 3135306), (29, 2810964), (37, 2203188), (39, 2090204), (52, 1567653), (58, 1405482), (74, 1101594), (78, 1045102), (87, 936988), (111, 734396), (116, 702741), (148, 550797), (156, 522551), (174, 468494), (222, 367198), (348, 234247), (377, 216228), (444, 183599), (481, 169476), (487, 167388), (754, 108114), (962, 84738), (974, 83694), (1073, 75972), (1131, 72076), (1443, 56492), (1461, 55796), (1508, 54057), (1924, 42369), (1948, 41847), (2146, 37986), (2262, 36038), (2886, 28246), (2922, 27898), (3219, 25324), (4292, 18993), (4524, 18019), (5772, 14123), (5844, 13949), (6331, 12876), (6438, 12662)]