287105256

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 821318400

約数和(自身を除く): 534213144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 97, 108, 142, 193, 194, 213, 216, 284, 291, 386, 388, 426, 568, 579, 582, 639, 772, 776, 852, 873, 1158, 1164, 1278, 1544, 1704, 1737, 1746, 1917, 2316, 2328, 2556, 2619, 3474, 3492, 3834, 4632, 5112, 5211, 5238, 6887, 6948, 6984, 7668, 10422, 10476, 13703, 13774, 13896, 15336, 18721, 20661, 20844, 20952, 27406, 27548, 37442, 41109, 41322, 41688, 54812, 55096, 56163, 61983, 74884, 82218, 82644, 109624, 112326, 123327, 123966, 149768, 164436, 165288, 168489, 185949, 224652, 246654, 247932, 328872, 336978, 369981, 371898, 449304, 493308, 495864, 505467, 673956, 739962, 743796, 986616, 1010934, 1329191, 1347912, 1479924, 1487592, 2021868, 2658382, 2959848, 3987573, 4043736, 5316764, 7975146, 10633528, 11962719, 15950292, 23925438, 31900584, 35888157, 47850876, 71776314, 95701752, 143552628, 287105256]

約数ペア:

[(1, 287105256), (2, 143552628), (3, 95701752), (4, 71776314), (6, 47850876), (8, 35888157), (9, 31900584), (12, 23925438), (18, 15950292), (24, 11962719), (27, 10633528), (36, 7975146), (54, 5316764), (71, 4043736), (72, 3987573), (97, 2959848), (108, 2658382), (142, 2021868), (193, 1487592), (194, 1479924), (213, 1347912), (216, 1329191), (284, 1010934), (291, 986616), (386, 743796), (388, 739962), (426, 673956), (568, 505467), (579, 495864), (582, 493308), (639, 449304), (772, 371898), (776, 369981), (852, 336978), (873, 328872), (1158, 247932), (1164, 246654), (1278, 224652), (1544, 185949), (1704, 168489), (1737, 165288), (1746, 164436), (1917, 149768), (2316, 123966), (2328, 123327), (2556, 112326), (2619, 109624), (3474, 82644), (3492, 82218), (3834, 74884), (4632, 61983), (5112, 56163), (5211, 55096), (5238, 54812), (6887, 41688), (6948, 41322), (6984, 41109), (7668, 37442), (10422, 27548), (10476, 27406), (13703, 20952), (13774, 20844), (13896, 20661), (15336, 18721)]