81184488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 174283032

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 197, 223, 231, 264, 308, 394, 446, 462, 591, 616, 669, 788, 892, 924, 1182, 1338, 1379, 1561, 1576, 1784, 1848, 2167, 2364, 2453, 2676, 2758, 3122, 4137, 4334, 4683, 4728, 4906, 5352, 5516, 6244, 6501, 7359, 8274, 8668, 9366, 9812, 11032, 12488, 13002, 14718, 15169, 16548, 17171, 17336, 18732, 19624, 26004, 29436, 30338, 33096, 34342, 37464, 43931, 45507, 51513, 52008, 58872, 60676, 68684, 87862, 91014, 103026, 121352, 131793, 137368, 175724, 182028, 206052, 263586, 307517, 351448, 364056, 412104, 483241, 527172, 615034, 922551, 966482, 1054344, 1230068, 1449723, 1845102, 1932964, 2460136, 2899446, 3382687, 3690204, 3865928, 5798892, 6765374, 7380408, 10148061, 11597784, 13530748, 20296122, 27061496, 40592244, 81184488]

約数ペア:

[(1, 81184488), (2, 40592244), (3, 27061496), (4, 20296122), (6, 13530748), (7, 11597784), (8, 10148061), (11, 7380408), (12, 6765374), (14, 5798892), (21, 3865928), (22, 3690204), (24, 3382687), (28, 2899446), (33, 2460136), (42, 1932964), (44, 1845102), (56, 1449723), (66, 1230068), (77, 1054344), (84, 966482), (88, 922551), (132, 615034), (154, 527172), (168, 483241), (197, 412104), (223, 364056), (231, 351448), (264, 307517), (308, 263586), (394, 206052), (446, 182028), (462, 175724), (591, 137368), (616, 131793), (669, 121352), (788, 103026), (892, 91014), (924, 87862), (1182, 68684), (1338, 60676), (1379, 58872), (1561, 52008), (1576, 51513), (1784, 45507), (1848, 43931), (2167, 37464), (2364, 34342), (2453, 33096), (2676, 30338), (2758, 29436), (3122, 26004), (4137, 19624), (4334, 18732), (4683, 17336), (4728, 17171), (4906, 16548), (5352, 15169), (5516, 14718), (6244, 13002), (6501, 12488), (7359, 11032), (8274, 9812), (8668, 9366)]