1988718592

素因数分解:

$2^{12}\times 7^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:669

約数の個数: 104

約数和(自身を含む): 4586960000

約数和(自身を除く): 2598241408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 499, 512, 556, 896, 973, 998, 1024, 1112, 1792, 1946, 1996, 2048, 2224, 3493, 3584, 3892, 3992, 4096, 4448, 6986, 7168, 7784, 7984, 8896, 13972, 14336, 15568, 15968, 17792, 27944, 28672, 31136, 31936, 35584, 55888, 62272, 63872, 69361, 71168, 111776, 124544, 127744, 138722, 142336, 223552, 249088, 255488, 277444, 284672, 447104, 485527, 498176, 510976, 554888, 569344, 894208, 971054, 996352, 1021952, 1109776, 1788416, 1942108, 1992704, 2043904, 2219552, 3576832, 3884216, 3985408, 4439104, 7153664, 7768432, 8878208, 14307328, 15536864, 17756416, 31073728, 35512832, 62147456, 71025664, 124294912, 142051328, 248589824, 284102656, 497179648, 994359296, 1988718592]

約数ペア:

[(1, 1988718592), (2, 994359296), (4, 497179648), (7, 284102656), (8, 248589824), (14, 142051328), (16, 124294912), (28, 71025664), (32, 62147456), (56, 35512832), (64, 31073728), (112, 17756416), (128, 15536864), (139, 14307328), (224, 8878208), (256, 7768432), (278, 7153664), (448, 4439104), (499, 3985408), (512, 3884216), (556, 3576832), (896, 2219552), (973, 2043904), (998, 1992704), (1024, 1942108), (1112, 1788416), (1792, 1109776), (1946, 1021952), (1996, 996352), (2048, 971054), (2224, 894208), (3493, 569344), (3584, 554888), (3892, 510976), (3992, 498176), (4096, 485527), (4448, 447104), (6986, 284672), (7168, 277444), (7784, 255488), (7984, 249088), (8896, 223552), (13972, 142336), (14336, 138722), (15568, 127744), (15968, 124544), (17792, 111776), (27944, 71168), (28672, 69361), (31136, 63872), (31936, 62272), (35584, 55888)]