278027008

素因数分解:

$2^8\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1373}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 640327968

約数和(自身を除く): 362300960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 224, 226, 256, 448, 452, 791, 896, 904, 1373, 1582, 1792, 1808, 2746, 3164, 3616, 5492, 6328, 7232, 9611, 10984, 12656, 14464, 19222, 21968, 25312, 28928, 38444, 43936, 50624, 76888, 87872, 101248, 153776, 155149, 175744, 202496, 307552, 310298, 351488, 615104, 620596, 1086043, 1230208, 1241192, 2172086, 2460416, 2482384, 4344172, 4964768, 8688344, 9929536, 17376688, 19859072, 34753376, 39718144, 69506752, 139013504, 278027008]

約数ペア:

[(1, 278027008), (2, 139013504), (4, 69506752), (7, 39718144), (8, 34753376), (14, 19859072), (16, 17376688), (28, 9929536), (32, 8688344), (56, 4964768), (64, 4344172), (112, 2482384), (113, 2460416), (128, 2172086), (224, 1241192), (226, 1230208), (256, 1086043), (448, 620596), (452, 615104), (791, 351488), (896, 310298), (904, 307552), (1373, 202496), (1582, 175744), (1792, 155149), (1808, 153776), (2746, 101248), (3164, 87872), (3616, 76888), (5492, 50624), (6328, 43936), (7232, 38444), (9611, 28928), (10984, 25312), (12656, 21968), (14464, 19222)]