256562432

素因数分解:

$2^8\times 7^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 108

約数和(自身を含む): 604326996

約数和(自身を除く): 347764564

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 113, 128, 181, 196, 224, 226, 256, 362, 392, 448, 452, 724, 784, 791, 896, 904, 1267, 1448, 1568, 1582, 1792, 1808, 2534, 2896, 3136, 3164, 3616, 5068, 5537, 5792, 6272, 6328, 7232, 8869, 10136, 11074, 11584, 12544, 12656, 14464, 17738, 20272, 20453, 22148, 23168, 25312, 28928, 35476, 40544, 40906, 44296, 46336, 50624, 70952, 81088, 81812, 88592, 101248, 141904, 143171, 162176, 163624, 177184, 202496, 283808, 286342, 324352, 327248, 354368, 567616, 572684, 654496, 708736, 1002197, 1135232, 1145368, 1308992, 1417472, 2004394, 2270464, 2290736, 2617984, 4008788, 4581472, 5235968, 8017576, 9162944, 16035152, 18325888, 32070304, 36651776, 64140608, 128281216, 256562432]

約数ペア:

[(1, 256562432), (2, 128281216), (4, 64140608), (7, 36651776), (8, 32070304), (14, 18325888), (16, 16035152), (28, 9162944), (32, 8017576), (49, 5235968), (56, 4581472), (64, 4008788), (98, 2617984), (112, 2290736), (113, 2270464), (128, 2004394), (181, 1417472), (196, 1308992), (224, 1145368), (226, 1135232), (256, 1002197), (362, 708736), (392, 654496), (448, 572684), (452, 567616), (724, 354368), (784, 327248), (791, 324352), (896, 286342), (904, 283808), (1267, 202496), (1448, 177184), (1568, 163624), (1582, 162176), (1792, 143171), (1808, 141904), (2534, 101248), (2896, 88592), (3136, 81812), (3164, 81088), (3616, 70952), (5068, 50624), (5537, 46336), (5792, 44296), (6272, 40906), (6328, 40544), (7232, 35476), (8869, 28928), (10136, 25312), (11074, 23168), (11584, 22148), (12544, 20453), (12656, 20272), (14464, 17738)]