258913984

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 112

約数和(自身を含む): 615387136

約数和(自身を除く): 356473152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 103, 112, 124, 181, 206, 217, 224, 248, 362, 412, 434, 448, 496, 721, 724, 824, 868, 992, 1267, 1442, 1448, 1648, 1736, 1984, 2534, 2884, 2896, 3193, 3296, 3472, 5068, 5611, 5768, 5792, 6386, 6592, 6944, 10136, 11222, 11536, 11584, 12772, 13888, 18643, 20272, 22351, 22444, 23072, 25544, 37286, 39277, 40544, 44702, 44888, 46144, 51088, 74572, 78554, 81088, 89404, 89776, 102176, 130501, 149144, 157108, 178808, 179552, 204352, 261002, 298288, 314216, 357616, 359104, 522004, 577933, 596576, 628432, 715232, 1044008, 1155866, 1193152, 1256864, 1430464, 2088016, 2311732, 2513728, 4045531, 4176032, 4623464, 8091062, 8352064, 9246928, 16182124, 18493856, 32364248, 36987712, 64728496, 129456992, 258913984]

約数ペア:

[(1, 258913984), (2, 129456992), (4, 64728496), (7, 36987712), (8, 32364248), (14, 18493856), (16, 16182124), (28, 9246928), (31, 8352064), (32, 8091062), (56, 4623464), (62, 4176032), (64, 4045531), (103, 2513728), (112, 2311732), (124, 2088016), (181, 1430464), (206, 1256864), (217, 1193152), (224, 1155866), (248, 1044008), (362, 715232), (412, 628432), (434, 596576), (448, 577933), (496, 522004), (721, 359104), (724, 357616), (824, 314216), (868, 298288), (992, 261002), (1267, 204352), (1442, 179552), (1448, 178808), (1648, 157108), (1736, 149144), (1984, 130501), (2534, 102176), (2884, 89776), (2896, 89404), (3193, 81088), (3296, 78554), (3472, 74572), (5068, 51088), (5611, 46144), (5768, 44888), (5792, 44702), (6386, 40544), (6592, 39277), (6944, 37286), (10136, 25544), (11222, 23072), (11536, 22444), (11584, 22351), (12772, 20272), (13888, 18643)]