861985656

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{929}}^1$

素因数の和:1218

約数の個数: 144

約数和(自身を含む): 2728954800

約数和(自身を除く): 1866969144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 263, 294, 392, 441, 504, 526, 588, 789, 882, 929, 1052, 1176, 1578, 1764, 1841, 1858, 2104, 2367, 2787, 3156, 3528, 3682, 3716, 4734, 5523, 5574, 6312, 6503, 7364, 7432, 8361, 9468, 11046, 11148, 12887, 13006, 14728, 16569, 16722, 18936, 19509, 22092, 22296, 25774, 26012, 33138, 33444, 38661, 39018, 44184, 45521, 51548, 52024, 58527, 66276, 66888, 77322, 78036, 91042, 103096, 115983, 117054, 132552, 136563, 154644, 156072, 182084, 231966, 234108, 244327, 273126, 309288, 364168, 409689, 463932, 468216, 488654, 546252, 732981, 819378, 927864, 977308, 1092504, 1465962, 1638756, 1710289, 1954616, 2198943, 2931924, 3277512, 3420578, 4397886, 5130867, 5863848, 6841156, 8795772, 10261734, 11972023, 13682312, 15392601, 17591544, 20523468, 23944046, 30785202, 35916069, 41046936, 47888092, 61570404, 71832138, 95776184, 107748207, 123140808, 143664276, 215496414, 287328552, 430992828, 861985656]

約数ペア:

[(1, 861985656), (2, 430992828), (3, 287328552), (4, 215496414), (6, 143664276), (7, 123140808), (8, 107748207), (9, 95776184), (12, 71832138), (14, 61570404), (18, 47888092), (21, 41046936), (24, 35916069), (28, 30785202), (36, 23944046), (42, 20523468), (49, 17591544), (56, 15392601), (63, 13682312), (72, 11972023), (84, 10261734), (98, 8795772), (126, 6841156), (147, 5863848), (168, 5130867), (196, 4397886), (252, 3420578), (263, 3277512), (294, 2931924), (392, 2198943), (441, 1954616), (504, 1710289), (526, 1638756), (588, 1465962), (789, 1092504), (882, 977308), (929, 927864), (1052, 819378), (1176, 732981), (1578, 546252), (1764, 488654), (1841, 468216), (1858, 463932), (2104, 409689), (2367, 364168), (2787, 309288), (3156, 273126), (3528, 244327), (3682, 234108), (3716, 231966), (4734, 182084), (5523, 156072), (5574, 154644), (6312, 136563), (6503, 132552), (7364, 117054), (7432, 115983), (8361, 103096), (9468, 91042), (11046, 78036), (11148, 77322), (12887, 66888), (13006, 66276), (14728, 58527), (16569, 52024), (16722, 51548), (18936, 45521), (19509, 44184), (22092, 39018), (22296, 38661), (25774, 33444), (26012, 33138)]