257001888

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 804892032

約数和(自身を除く): 547890144

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 97, 104, 132, 143, 156, 176, 193, 194, 208, 264, 286, 291, 312, 352, 386, 388, 416, 429, 528, 572, 579, 582, 624, 772, 776, 858, 1056, 1067, 1144, 1158, 1164, 1248, 1261, 1544, 1552, 1716, 2123, 2134, 2288, 2316, 2328, 2509, 2522, 3088, 3104, 3201, 3432, 3783, 4246, 4268, 4576, 4632, 4656, 5018, 5044, 6176, 6369, 6402, 6864, 7527, 7566, 8492, 8536, 9264, 9312, 10036, 10088, 12738, 12804, 13728, 13871, 15054, 15132, 16984, 17072, 18528, 18721, 20072, 20176, 25476, 25608, 27599, 27742, 30108, 30264, 33968, 34144, 37442, 40144, 40352, 41613, 50952, 51216, 55198, 55484, 56163, 60216, 60528, 67936, 74884, 80288, 82797, 83226, 101904, 102432, 110396, 110968, 112326, 120432, 121056, 149768, 165594, 166452, 203808, 205931, 220792, 221936, 224652, 240864, 243373, 299536, 331188, 332904, 411862, 441584, 443872, 449304, 486746, 599072, 617793, 662376, 665808, 730119, 823724, 883168, 898608, 973492, 1235586, 1324752, 1331616, 1460238, 1647448, 1797216, 1946984, 2471172, 2649504, 2677103, 2920476, 3294896, 3893968, 4942344, 5354206, 5840952, 6589792, 7787936, 8031309, 9884688, 10708412, 11681904, 16062618, 19769376, 21416824, 23363808, 32125236, 42833648, 64250472, 85667296, 128500944, 257001888]

約数ペア:

[(1, 257001888), (2, 128500944), (3, 85667296), (4, 64250472), (6, 42833648), (8, 32125236), (11, 23363808), (12, 21416824), (13, 19769376), (16, 16062618), (22, 11681904), (24, 10708412), (26, 9884688), (32, 8031309), (33, 7787936), (39, 6589792), (44, 5840952), (48, 5354206), (52, 4942344), (66, 3893968), (78, 3294896), (88, 2920476), (96, 2677103), (97, 2649504), (104, 2471172), (132, 1946984), (143, 1797216), (156, 1647448), (176, 1460238), (193, 1331616), (194, 1324752), (208, 1235586), (264, 973492), (286, 898608), (291, 883168), (312, 823724), (352, 730119), (386, 665808), (388, 662376), (416, 617793), (429, 599072), (528, 486746), (572, 449304), (579, 443872), (582, 441584), (624, 411862), (772, 332904), (776, 331188), (858, 299536), (1056, 243373), (1067, 240864), (1144, 224652), (1158, 221936), (1164, 220792), (1248, 205931), (1261, 203808), (1544, 166452), (1552, 165594), (1716, 149768), (2123, 121056), (2134, 120432), (2288, 112326), (2316, 110968), (2328, 110396), (2509, 102432), (2522, 101904), (3088, 83226), (3104, 82797), (3201, 80288), (3432, 74884), (3783, 67936), (4246, 60528), (4268, 60216), (4576, 56163), (4632, 55484), (4656, 55198), (5018, 51216), (5044, 50952), (6176, 41613), (6369, 40352), (6402, 40144), (6864, 37442), (7527, 34144), (7566, 33968), (8492, 30264), (8536, 30108), (9264, 27742), (9312, 27599), (10036, 25608), (10088, 25476), (12738, 20176), (12804, 20072), (13728, 18721), (13871, 18528), (15054, 17072), (15132, 16984)]