263216712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 766402560

約数和(自身を除く): 503185848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 223, 263, 264, 374, 408, 446, 526, 561, 669, 748, 789, 892, 1052, 1122, 1338, 1496, 1578, 1784, 2104, 2244, 2453, 2676, 2893, 3156, 3791, 4471, 4488, 4906, 5352, 5786, 6312, 7359, 7582, 8679, 8942, 9812, 11373, 11572, 13413, 14718, 15164, 17358, 17884, 19624, 22746, 23144, 26826, 29436, 30328, 34716, 35768, 41701, 45492, 49181, 53652, 58649, 58872, 69432, 83402, 90984, 98362, 107304, 117298, 125103, 147543, 166804, 175947, 196724, 234596, 250206, 295086, 333608, 351894, 393448, 469192, 500412, 590172, 645139, 703788, 997033, 1000824, 1180344, 1290278, 1407576, 1935417, 1994066, 2580556, 2991099, 3870834, 3988132, 5161112, 5982198, 7741668, 7976264, 10967363, 11964396, 15483336, 21934726, 23928792, 32902089, 43869452, 65804178, 87738904, 131608356, 263216712]

約数ペア:

[(1, 263216712), (2, 131608356), (3, 87738904), (4, 65804178), (6, 43869452), (8, 32902089), (11, 23928792), (12, 21934726), (17, 15483336), (22, 11964396), (24, 10967363), (33, 7976264), (34, 7741668), (44, 5982198), (51, 5161112), (66, 3988132), (68, 3870834), (88, 2991099), (102, 2580556), (132, 1994066), (136, 1935417), (187, 1407576), (204, 1290278), (223, 1180344), (263, 1000824), (264, 997033), (374, 703788), (408, 645139), (446, 590172), (526, 500412), (561, 469192), (669, 393448), (748, 351894), (789, 333608), (892, 295086), (1052, 250206), (1122, 234596), (1338, 196724), (1496, 175947), (1578, 166804), (1784, 147543), (2104, 125103), (2244, 117298), (2453, 107304), (2676, 98362), (2893, 90984), (3156, 83402), (3791, 69432), (4471, 58872), (4488, 58649), (4906, 53652), (5352, 49181), (5786, 45492), (6312, 41701), (7359, 35768), (7582, 34716), (8679, 30328), (8942, 29436), (9812, 26826), (11373, 23144), (11572, 22746), (13413, 19624), (14718, 17884), (15164, 17358)]