81993072

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 120

約数和(自身を含む): 250376832

約数和(自身を除く): 168383760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 71, 84, 98, 112, 142, 147, 168, 196, 213, 284, 294, 336, 392, 426, 491, 497, 568, 588, 784, 852, 982, 994, 1136, 1176, 1473, 1491, 1704, 1964, 1988, 2352, 2946, 2982, 3408, 3437, 3479, 3928, 3976, 5892, 5964, 6874, 6958, 7856, 7952, 10311, 10437, 11784, 11928, 13748, 13916, 20622, 20874, 23568, 23856, 24059, 27496, 27832, 34861, 41244, 41748, 48118, 54992, 55664, 69722, 72177, 82488, 83496, 96236, 104583, 139444, 144354, 164976, 166992, 192472, 209166, 244027, 278888, 288708, 384944, 418332, 488054, 557776, 577416, 732081, 836664, 976108, 1154832, 1464162, 1673328, 1708189, 1952216, 2928324, 3416378, 3904432, 5124567, 5856648, 6832756, 10249134, 11713296, 13665512, 20498268, 27331024, 40996536, 81993072]

約数ペア:

[(1, 81993072), (2, 40996536), (3, 27331024), (4, 20498268), (6, 13665512), (7, 11713296), (8, 10249134), (12, 6832756), (14, 5856648), (16, 5124567), (21, 3904432), (24, 3416378), (28, 2928324), (42, 1952216), (48, 1708189), (49, 1673328), (56, 1464162), (71, 1154832), (84, 976108), (98, 836664), (112, 732081), (142, 577416), (147, 557776), (168, 488054), (196, 418332), (213, 384944), (284, 288708), (294, 278888), (336, 244027), (392, 209166), (426, 192472), (491, 166992), (497, 164976), (568, 144354), (588, 139444), (784, 104583), (852, 96236), (982, 83496), (994, 82488), (1136, 72177), (1176, 69722), (1473, 55664), (1491, 54992), (1704, 48118), (1964, 41748), (1988, 41244), (2352, 34861), (2946, 27832), (2982, 27496), (3408, 24059), (3437, 23856), (3479, 23568), (3928, 20874), (3976, 20622), (5892, 13916), (5964, 13748), (6874, 11928), (6958, 11784), (7856, 10437), (7952, 10311)]