1289295616

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1993}}^1$

素因数の和:2054

約数の個数: 108

約数和(自身を含む): 3105710832

約数和(自身を除く): 1816415216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 361, 448, 532, 608, 722, 896, 1064, 1216, 1444, 1792, 1993, 2128, 2432, 2527, 2888, 3986, 4256, 4864, 5054, 5776, 7972, 8512, 10108, 11552, 13951, 15944, 17024, 20216, 23104, 27902, 31888, 34048, 37867, 40432, 46208, 55804, 63776, 75734, 80864, 92416, 111608, 127552, 151468, 161728, 223216, 255104, 265069, 302936, 323456, 446432, 510208, 530138, 605872, 646912, 719473, 892864, 1060276, 1211744, 1438946, 1785728, 2120552, 2423488, 2877892, 3571456, 4241104, 4846976, 5036311, 5755784, 8482208, 9693952, 10072622, 11511568, 16964416, 20145244, 23023136, 33928832, 40290488, 46046272, 67857664, 80580976, 92092544, 161161952, 184185088, 322323904, 644647808, 1289295616]

約数ペア:

[(1, 1289295616), (2, 644647808), (4, 322323904), (7, 184185088), (8, 161161952), (14, 92092544), (16, 80580976), (19, 67857664), (28, 46046272), (32, 40290488), (38, 33928832), (56, 23023136), (64, 20145244), (76, 16964416), (112, 11511568), (128, 10072622), (133, 9693952), (152, 8482208), (224, 5755784), (256, 5036311), (266, 4846976), (304, 4241104), (361, 3571456), (448, 2877892), (532, 2423488), (608, 2120552), (722, 1785728), (896, 1438946), (1064, 1211744), (1216, 1060276), (1444, 892864), (1792, 719473), (1993, 646912), (2128, 605872), (2432, 530138), (2527, 510208), (2888, 446432), (3986, 323456), (4256, 302936), (4864, 265069), (5054, 255104), (5776, 223216), (7972, 161728), (8512, 151468), (10108, 127552), (11552, 111608), (13951, 92416), (15944, 80864), (17024, 75734), (20216, 63776), (23104, 55804), (27902, 46208), (31888, 40432), (34048, 37867)]