253318912

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 642829824

約数和(自身を除く): 389510912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 71, 77, 88, 112, 128, 142, 154, 176, 181, 224, 256, 284, 308, 352, 362, 448, 497, 568, 616, 704, 724, 781, 896, 994, 1136, 1232, 1267, 1408, 1448, 1562, 1792, 1988, 1991, 2272, 2464, 2534, 2816, 2896, 3124, 3976, 3982, 4544, 4928, 5068, 5467, 5792, 6248, 7952, 7964, 9088, 9856, 10136, 10934, 11584, 12496, 12851, 13937, 15904, 15928, 18176, 19712, 20272, 21868, 23168, 24992, 25702, 27874, 31808, 31856, 40544, 43736, 46336, 49984, 51404, 55748, 63616, 63712, 81088, 87472, 89957, 99968, 102808, 111496, 127232, 127424, 141361, 162176, 174944, 179914, 199936, 205616, 222992, 254848, 282722, 324352, 349888, 359828, 411232, 445984, 509696, 565444, 699776, 719656, 822464, 891968, 989527, 1130888, 1399552, 1439312, 1644928, 1783936, 1979054, 2261776, 2878624, 3289856, 3567872, 3958108, 4523552, 5757248, 7916216, 9047104, 11514496, 15832432, 18094208, 23028992, 31664864, 36188416, 63329728, 126659456, 253318912]

約数ペア:

[(1, 253318912), (2, 126659456), (4, 63329728), (7, 36188416), (8, 31664864), (11, 23028992), (14, 18094208), (16, 15832432), (22, 11514496), (28, 9047104), (32, 7916216), (44, 5757248), (56, 4523552), (64, 3958108), (71, 3567872), (77, 3289856), (88, 2878624), (112, 2261776), (128, 1979054), (142, 1783936), (154, 1644928), (176, 1439312), (181, 1399552), (224, 1130888), (256, 989527), (284, 891968), (308, 822464), (352, 719656), (362, 699776), (448, 565444), (497, 509696), (568, 445984), (616, 411232), (704, 359828), (724, 349888), (781, 324352), (896, 282722), (994, 254848), (1136, 222992), (1232, 205616), (1267, 199936), (1408, 179914), (1448, 174944), (1562, 162176), (1792, 141361), (1988, 127424), (1991, 127232), (2272, 111496), (2464, 102808), (2534, 99968), (2816, 89957), (2896, 87472), (3124, 81088), (3976, 63712), (3982, 63616), (4544, 55748), (4928, 51404), (5068, 49984), (5467, 46336), (5792, 43736), (6248, 40544), (7952, 31856), (7964, 31808), (9088, 27874), (9856, 25702), (10136, 24992), (10934, 23168), (11584, 21868), (12496, 20272), (12851, 19712), (13937, 18176), (15904, 15928)]