81755128

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 195924960

約数和(自身を除く): 114169832

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 61, 91, 98, 104, 122, 182, 196, 244, 263, 364, 392, 427, 488, 526, 637, 728, 793, 854, 1052, 1274, 1586, 1708, 1841, 2104, 2548, 2989, 3172, 3416, 3419, 3682, 5096, 5551, 5978, 6344, 6838, 7364, 11102, 11956, 12887, 13676, 14728, 16043, 22204, 23912, 23933, 25774, 27352, 32086, 38857, 44408, 47866, 51548, 64172, 77714, 95732, 103096, 112301, 128344, 155428, 167531, 191464, 208559, 224602, 310856, 335062, 417118, 449204, 670124, 786107, 834236, 898408, 1340248, 1459913, 1572214, 1668472, 2919826, 3144428, 5839652, 6288856, 10219391, 11679304, 20438782, 40877564, 81755128]

約数ペア:

[(1, 81755128), (2, 40877564), (4, 20438782), (7, 11679304), (8, 10219391), (13, 6288856), (14, 5839652), (26, 3144428), (28, 2919826), (49, 1668472), (52, 1572214), (56, 1459913), (61, 1340248), (91, 898408), (98, 834236), (104, 786107), (122, 670124), (182, 449204), (196, 417118), (244, 335062), (263, 310856), (364, 224602), (392, 208559), (427, 191464), (488, 167531), (526, 155428), (637, 128344), (728, 112301), (793, 103096), (854, 95732), (1052, 77714), (1274, 64172), (1586, 51548), (1708, 47866), (1841, 44408), (2104, 38857), (2548, 32086), (2989, 27352), (3172, 25774), (3416, 23933), (3419, 23912), (3682, 22204), (5096, 16043), (5551, 14728), (5978, 13676), (6344, 12887), (6838, 11956), (7364, 11102)]