261419136

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 128

約数和(自身を含む): 763776000

約数和(自身を除く): 502356864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 199, 264, 311, 352, 384, 398, 528, 597, 622, 704, 796, 933, 1056, 1194, 1244, 1408, 1592, 1866, 2112, 2189, 2388, 2488, 3184, 3421, 3732, 4224, 4378, 4776, 4976, 6368, 6567, 6842, 7464, 8756, 9552, 9952, 10263, 12736, 13134, 13684, 14928, 17512, 19104, 19904, 20526, 25472, 26268, 27368, 29856, 35024, 38208, 39808, 41052, 52536, 54736, 59712, 61889, 70048, 76416, 82104, 105072, 109472, 119424, 123778, 140096, 164208, 185667, 210144, 218944, 247556, 280192, 328416, 371334, 420288, 437888, 495112, 656832, 680779, 742668, 840576, 990224, 1313664, 1361558, 1485336, 1980448, 2042337, 2723116, 2970672, 3960896, 4084674, 5446232, 5941344, 7921792, 8169348, 10892464, 11882688, 16338696, 21784928, 23765376, 32677392, 43569856, 65354784, 87139712, 130709568, 261419136]

約数ペア:

[(1, 261419136), (2, 130709568), (3, 87139712), (4, 65354784), (6, 43569856), (8, 32677392), (11, 23765376), (12, 21784928), (16, 16338696), (22, 11882688), (24, 10892464), (32, 8169348), (33, 7921792), (44, 5941344), (48, 5446232), (64, 4084674), (66, 3960896), (88, 2970672), (96, 2723116), (128, 2042337), (132, 1980448), (176, 1485336), (192, 1361558), (199, 1313664), (264, 990224), (311, 840576), (352, 742668), (384, 680779), (398, 656832), (528, 495112), (597, 437888), (622, 420288), (704, 371334), (796, 328416), (933, 280192), (1056, 247556), (1194, 218944), (1244, 210144), (1408, 185667), (1592, 164208), (1866, 140096), (2112, 123778), (2189, 119424), (2388, 109472), (2488, 105072), (3184, 82104), (3421, 76416), (3732, 70048), (4224, 61889), (4378, 59712), (4776, 54736), (4976, 52536), (6368, 41052), (6567, 39808), (6842, 38208), (7464, 35024), (8756, 29856), (9552, 27368), (9952, 26268), (10263, 25472), (12736, 20526), (13134, 19904), (13684, 19104), (14928, 17512)]