81737656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 210470400

約数和(自身を除く): 128732744

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 59, 77, 88, 91, 104, 118, 143, 154, 173, 182, 236, 286, 308, 346, 364, 413, 472, 572, 616, 649, 692, 728, 767, 826, 1001, 1144, 1211, 1298, 1384, 1534, 1652, 1903, 2002, 2249, 2422, 2596, 3068, 3304, 3806, 4004, 4498, 4543, 4844, 5192, 5369, 6136, 7612, 8008, 8437, 8996, 9086, 9688, 10207, 10738, 13321, 15224, 15743, 16874, 17992, 18172, 20414, 21476, 24739, 26642, 31486, 33748, 36344, 40828, 42952, 49478, 53284, 59059, 62972, 67496, 71449, 81656, 98956, 106568, 112277, 118118, 125944, 132691, 142898, 173173, 197912, 224554, 236236, 265382, 285796, 346346, 449108, 472472, 530764, 571592, 692692, 785939, 898216, 928837, 1061528, 1385384, 1459601, 1571878, 1857674, 2919202, 3143756, 3715348, 5838404, 6287512, 7430696, 10217207, 11676808, 20434414, 40868828, 81737656]

約数ペア:

[(1, 81737656), (2, 40868828), (4, 20434414), (7, 11676808), (8, 10217207), (11, 7430696), (13, 6287512), (14, 5838404), (22, 3715348), (26, 3143756), (28, 2919202), (44, 1857674), (52, 1571878), (56, 1459601), (59, 1385384), (77, 1061528), (88, 928837), (91, 898216), (104, 785939), (118, 692692), (143, 571592), (154, 530764), (173, 472472), (182, 449108), (236, 346346), (286, 285796), (308, 265382), (346, 236236), (364, 224554), (413, 197912), (472, 173173), (572, 142898), (616, 132691), (649, 125944), (692, 118118), (728, 112277), (767, 106568), (826, 98956), (1001, 81656), (1144, 71449), (1211, 67496), (1298, 62972), (1384, 59059), (1534, 53284), (1652, 49478), (1903, 42952), (2002, 40828), (2249, 36344), (2422, 33748), (2596, 31486), (3068, 26642), (3304, 24739), (3806, 21476), (4004, 20414), (4498, 18172), (4543, 17992), (4844, 16874), (5192, 15743), (5369, 15224), (6136, 13321), (7612, 10738), (8008, 10207), (8437, 9688), (8996, 9086)]