291488512

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 706406400

約数和(自身を除く): 414917888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 71, 79, 112, 116, 128, 142, 158, 203, 224, 232, 256, 284, 316, 406, 448, 464, 497, 553, 568, 632, 812, 896, 928, 994, 1106, 1136, 1264, 1624, 1792, 1856, 1988, 2059, 2212, 2272, 2291, 2528, 3248, 3712, 3976, 4118, 4424, 4544, 4582, 5056, 5609, 6496, 7424, 7952, 8236, 8848, 9088, 9164, 10112, 11218, 12992, 14413, 15904, 16037, 16472, 17696, 18176, 18328, 20224, 22436, 25984, 28826, 31808, 32074, 32944, 35392, 36656, 39263, 44872, 51968, 57652, 63616, 64148, 65888, 70784, 73312, 78526, 89744, 115304, 127232, 128296, 131776, 141568, 146624, 157052, 162661, 179488, 230608, 256592, 263552, 293248, 314104, 325322, 358976, 461216, 513184, 527104, 586496, 628208, 650644, 717952, 922432, 1026368, 1138627, 1256416, 1301288, 1435904, 1844864, 2052736, 2277254, 2512832, 2602576, 3689728, 4105472, 4554508, 5025664, 5205152, 9109016, 10051328, 10410304, 18218032, 20820608, 36436064, 41641216, 72872128, 145744256, 291488512]

約数ペア:

[(1, 291488512), (2, 145744256), (4, 72872128), (7, 41641216), (8, 36436064), (14, 20820608), (16, 18218032), (28, 10410304), (29, 10051328), (32, 9109016), (56, 5205152), (58, 5025664), (64, 4554508), (71, 4105472), (79, 3689728), (112, 2602576), (116, 2512832), (128, 2277254), (142, 2052736), (158, 1844864), (203, 1435904), (224, 1301288), (232, 1256416), (256, 1138627), (284, 1026368), (316, 922432), (406, 717952), (448, 650644), (464, 628208), (497, 586496), (553, 527104), (568, 513184), (632, 461216), (812, 358976), (896, 325322), (928, 314104), (994, 293248), (1106, 263552), (1136, 256592), (1264, 230608), (1624, 179488), (1792, 162661), (1856, 157052), (1988, 146624), (2059, 141568), (2212, 131776), (2272, 128296), (2291, 127232), (2528, 115304), (3248, 89744), (3712, 78526), (3976, 73312), (4118, 70784), (4424, 65888), (4544, 64148), (4582, 63616), (5056, 57652), (5609, 51968), (6496, 44872), (7424, 39263), (7952, 36656), (8236, 35392), (8848, 32944), (9088, 32074), (9164, 31808), (10112, 28826), (11218, 25984), (12992, 22436), (14413, 20224), (15904, 18328), (16037, 18176), (16472, 17696)]