129889984

素因数分解:

$2^6\times 7^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 112

約数和(自身を含む): 308660800

約数和(自身を除く): 178770816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 97, 98, 112, 122, 194, 196, 224, 244, 343, 388, 392, 427, 448, 488, 679, 686, 776, 784, 854, 976, 1358, 1372, 1552, 1568, 1708, 1952, 2716, 2744, 2989, 3104, 3136, 3416, 3904, 4753, 5432, 5488, 5917, 5978, 6208, 6832, 9506, 10864, 10976, 11834, 11956, 13664, 19012, 20923, 21728, 21952, 23668, 23912, 27328, 33271, 38024, 41419, 41846, 43456, 47336, 47824, 66542, 76048, 82838, 83692, 94672, 95648, 133084, 152096, 165676, 167384, 189344, 191296, 266168, 289933, 304192, 331352, 334768, 378688, 532336, 579866, 662704, 669536, 1064672, 1159732, 1325408, 1339072, 2029531, 2129344, 2319464, 2650816, 4059062, 4638928, 8118124, 9277856, 16236248, 18555712, 32472496, 64944992, 129889984]

約数ペア:

[(1, 129889984), (2, 64944992), (4, 32472496), (7, 18555712), (8, 16236248), (14, 9277856), (16, 8118124), (28, 4638928), (32, 4059062), (49, 2650816), (56, 2319464), (61, 2129344), (64, 2029531), (97, 1339072), (98, 1325408), (112, 1159732), (122, 1064672), (194, 669536), (196, 662704), (224, 579866), (244, 532336), (343, 378688), (388, 334768), (392, 331352), (427, 304192), (448, 289933), (488, 266168), (679, 191296), (686, 189344), (776, 167384), (784, 165676), (854, 152096), (976, 133084), (1358, 95648), (1372, 94672), (1552, 83692), (1568, 82838), (1708, 76048), (1952, 66542), (2716, 47824), (2744, 47336), (2989, 43456), (3104, 41846), (3136, 41419), (3416, 38024), (3904, 33271), (4753, 27328), (5432, 23912), (5488, 23668), (5917, 21952), (5978, 21728), (6208, 20923), (6832, 19012), (9506, 13664), (10864, 11956), (10976, 11834)]