77901768

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 249687360

約数和(自身を除く): 171785592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 71, 72, 84, 98, 126, 142, 147, 168, 196, 213, 252, 284, 294, 311, 392, 426, 441, 497, 504, 568, 588, 622, 639, 852, 882, 933, 994, 1176, 1244, 1278, 1491, 1704, 1764, 1866, 1988, 2177, 2488, 2556, 2799, 2982, 3479, 3528, 3732, 3976, 4354, 4473, 5112, 5598, 5964, 6531, 6958, 7464, 8708, 8946, 10437, 11196, 11928, 13062, 13916, 15239, 17416, 17892, 19593, 20874, 22081, 22392, 26124, 27832, 30478, 31311, 35784, 39186, 41748, 44162, 45717, 52248, 60956, 62622, 66243, 78372, 83496, 88324, 91434, 121912, 125244, 132486, 137151, 154567, 156744, 176648, 182868, 198729, 250488, 264972, 274302, 309134, 365736, 397458, 463701, 529944, 548604, 618268, 794916, 927402, 1081969, 1097208, 1236536, 1391103, 1589832, 1854804, 2163938, 2782206, 3245907, 3709608, 4327876, 5564412, 6491814, 8655752, 9737721, 11128824, 12983628, 19475442, 25967256, 38950884, 77901768]

約数ペア:

[(1, 77901768), (2, 38950884), (3, 25967256), (4, 19475442), (6, 12983628), (7, 11128824), (8, 9737721), (9, 8655752), (12, 6491814), (14, 5564412), (18, 4327876), (21, 3709608), (24, 3245907), (28, 2782206), (36, 2163938), (42, 1854804), (49, 1589832), (56, 1391103), (63, 1236536), (71, 1097208), (72, 1081969), (84, 927402), (98, 794916), (126, 618268), (142, 548604), (147, 529944), (168, 463701), (196, 397458), (213, 365736), (252, 309134), (284, 274302), (294, 264972), (311, 250488), (392, 198729), (426, 182868), (441, 176648), (497, 156744), (504, 154567), (568, 137151), (588, 132486), (622, 125244), (639, 121912), (852, 91434), (882, 88324), (933, 83496), (994, 78372), (1176, 66243), (1244, 62622), (1278, 60956), (1491, 52248), (1704, 45717), (1764, 44162), (1866, 41748), (1988, 39186), (2177, 35784), (2488, 31311), (2556, 30478), (2799, 27832), (2982, 26124), (3479, 22392), (3528, 22081), (3732, 20874), (3976, 19593), (4354, 17892), (4473, 17416), (5112, 15239), (5598, 13916), (5964, 13062), (6531, 11928), (6958, 11196), (7464, 10437), (8708, 8946)]