263181996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 216

約数和(自身を含む): 878701824

約数和(自身を除く): 615519828

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 263, 266, 308, 342, 361, 396, 399, 418, 462, 526, 532, 627, 684, 693, 722, 789, 798, 836, 924, 1052, 1083, 1197, 1254, 1386, 1444, 1463, 1578, 1596, 1841, 1881, 2166, 2367, 2394, 2508, 2527, 2772, 2893, 2926, 3156, 3249, 3682, 3762, 3971, 4332, 4389, 4734, 4788, 4997, 5054, 5523, 5786, 5852, 6498, 7364, 7524, 7581, 7942, 8679, 8778, 9468, 9994, 10108, 11046, 11572, 11913, 12996, 13167, 14991, 15162, 15884, 16569, 17358, 17556, 19988, 20251, 22092, 22743, 23826, 26037, 26334, 27797, 29982, 30324, 33138, 34716, 34979, 35739, 40502, 44973, 45486, 47652, 52074, 52668, 54967, 55594, 59964, 60753, 66276, 69958, 71478, 81004, 83391, 89946, 90972, 94943, 104148, 104937, 109934, 111188, 121506, 139916, 142956, 164901, 166782, 179892, 182259, 189886, 209874, 219868, 243012, 250173, 284829, 314811, 329802, 333564, 364518, 379772, 384769, 419748, 494703, 500346, 569658, 629622, 659604, 664601, 729036, 769538, 854487, 989406, 1000692, 1044373, 1139316, 1154307, 1259244, 1329202, 1539076, 1708974, 1978812, 1993803, 2088746, 2308614, 2658404, 3133119, 3417948, 3462921, 3987606, 4177492, 4617228, 5981409, 6266238, 6925842, 7310611, 7975212, 9399357, 11962818, 12532476, 13851684, 14621222, 18798714, 21931833, 23925636, 29242444, 37597428, 43863666, 65795499, 87727332, 131590998, 263181996]

約数ペア:

[(1, 263181996), (2, 131590998), (3, 87727332), (4, 65795499), (6, 43863666), (7, 37597428), (9, 29242444), (11, 23925636), (12, 21931833), (14, 18798714), (18, 14621222), (19, 13851684), (21, 12532476), (22, 11962818), (28, 9399357), (33, 7975212), (36, 7310611), (38, 6925842), (42, 6266238), (44, 5981409), (57, 4617228), (63, 4177492), (66, 3987606), (76, 3462921), (77, 3417948), (84, 3133119), (99, 2658404), (114, 2308614), (126, 2088746), (132, 1993803), (133, 1978812), (154, 1708974), (171, 1539076), (198, 1329202), (209, 1259244), (228, 1154307), (231, 1139316), (252, 1044373), (263, 1000692), (266, 989406), (308, 854487), (342, 769538), (361, 729036), (396, 664601), (399, 659604), (418, 629622), (462, 569658), (526, 500346), (532, 494703), (627, 419748), (684, 384769), (693, 379772), (722, 364518), (789, 333564), (798, 329802), (836, 314811), (924, 284829), (1052, 250173), (1083, 243012), (1197, 219868), (1254, 209874), (1386, 189886), (1444, 182259), (1463, 179892), (1578, 166782), (1596, 164901), (1841, 142956), (1881, 139916), (2166, 121506), (2367, 111188), (2394, 109934), (2508, 104937), (2527, 104148), (2772, 94943), (2893, 90972), (2926, 89946), (3156, 83391), (3249, 81004), (3682, 71478), (3762, 69958), (3971, 66276), (4332, 60753), (4389, 59964), (4734, 55594), (4788, 54967), (4997, 52668), (5054, 52074), (5523, 47652), (5786, 45486), (5852, 44973), (6498, 40502), (7364, 35739), (7524, 34979), (7581, 34716), (7942, 33138), (8679, 30324), (8778, 29982), (9468, 27797), (9994, 26334), (10108, 26037), (11046, 23826), (11572, 22743), (11913, 22092), (12996, 20251), (13167, 19988), (14991, 17556), (15162, 17358), (15884, 16569)]