259779968

素因数分解:

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

素因数の和:193

約数の個数: 128

約数和(自身を含む): 619752000

約数和(自身を除く): 359972032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 97, 98, 112, 122, 128, 194, 196, 224, 244, 343, 388, 392, 427, 448, 488, 679, 686, 776, 784, 854, 896, 976, 1358, 1372, 1552, 1568, 1708, 1952, 2716, 2744, 2989, 3104, 3136, 3416, 3904, 4753, 5432, 5488, 5917, 5978, 6208, 6272, 6832, 7808, 9506, 10864, 10976, 11834, 11956, 12416, 13664, 19012, 20923, 21728, 21952, 23668, 23912, 27328, 33271, 38024, 41419, 41846, 43456, 43904, 47336, 47824, 54656, 66542, 76048, 82838, 83692, 86912, 94672, 95648, 133084, 152096, 165676, 167384, 189344, 191296, 266168, 289933, 304192, 331352, 334768, 378688, 382592, 532336, 579866, 608384, 662704, 669536, 757376, 1064672, 1159732, 1325408, 1339072, 2029531, 2129344, 2319464, 2650816, 2678144, 4059062, 4258688, 4638928, 5301632, 8118124, 9277856, 16236248, 18555712, 32472496, 37111424, 64944992, 129889984, 259779968]

約数ペア:

[(1, 259779968), (2, 129889984), (4, 64944992), (7, 37111424), (8, 32472496), (14, 18555712), (16, 16236248), (28, 9277856), (32, 8118124), (49, 5301632), (56, 4638928), (61, 4258688), (64, 4059062), (97, 2678144), (98, 2650816), (112, 2319464), (122, 2129344), (128, 2029531), (194, 1339072), (196, 1325408), (224, 1159732), (244, 1064672), (343, 757376), (388, 669536), (392, 662704), (427, 608384), (448, 579866), (488, 532336), (679, 382592), (686, 378688), (776, 334768), (784, 331352), (854, 304192), (896, 289933), (976, 266168), (1358, 191296), (1372, 189344), (1552, 167384), (1568, 165676), (1708, 152096), (1952, 133084), (2716, 95648), (2744, 94672), (2989, 86912), (3104, 83692), (3136, 82838), (3416, 76048), (3904, 66542), (4753, 54656), (5432, 47824), (5488, 47336), (5917, 43904), (5978, 43456), (6208, 41846), (6272, 41419), (6832, 38024), (7808, 33271), (9506, 27328), (10864, 23912), (10976, 23668), (11834, 21952), (11956, 21728), (12416, 20923), (13664, 19012)]