129255784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 311040000

約数和(自身を除く): 181784216

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 59, 71, 76, 116, 118, 133, 142, 152, 203, 232, 236, 266, 284, 406, 413, 472, 497, 532, 551, 568, 812, 826, 994, 1064, 1102, 1121, 1349, 1624, 1652, 1711, 1988, 2059, 2204, 2242, 2698, 3304, 3422, 3857, 3976, 4118, 4189, 4408, 4484, 5396, 6844, 7714, 7847, 8236, 8378, 8968, 9443, 10792, 11977, 13688, 14413, 15428, 15694, 16472, 16756, 18886, 23954, 28826, 29323, 30856, 31388, 32509, 33512, 37772, 39121, 47908, 57652, 58646, 62776, 65018, 75544, 78242, 79591, 95816, 115304, 117292, 121481, 130036, 156484, 159182, 227563, 234584, 242962, 260072, 273847, 312968, 318364, 455126, 485924, 547694, 557137, 636728, 850367, 910252, 971848, 1095388, 1114274, 1700734, 1820504, 2190776, 2228548, 2308139, 3401468, 4457096, 4616278, 6802936, 9232556, 16156973, 18465112, 32313946, 64627892, 129255784]

約数ペア:

[(1, 129255784), (2, 64627892), (4, 32313946), (7, 18465112), (8, 16156973), (14, 9232556), (19, 6802936), (28, 4616278), (29, 4457096), (38, 3401468), (56, 2308139), (58, 2228548), (59, 2190776), (71, 1820504), (76, 1700734), (116, 1114274), (118, 1095388), (133, 971848), (142, 910252), (152, 850367), (203, 636728), (232, 557137), (236, 547694), (266, 485924), (284, 455126), (406, 318364), (413, 312968), (472, 273847), (497, 260072), (532, 242962), (551, 234584), (568, 227563), (812, 159182), (826, 156484), (994, 130036), (1064, 121481), (1102, 117292), (1121, 115304), (1349, 95816), (1624, 79591), (1652, 78242), (1711, 75544), (1988, 65018), (2059, 62776), (2204, 58646), (2242, 57652), (2698, 47908), (3304, 39121), (3422, 37772), (3857, 33512), (3976, 32509), (4118, 31388), (4189, 30856), (4408, 29323), (4484, 28826), (5396, 23954), (6844, 18886), (7714, 16756), (7847, 16472), (8236, 15694), (8378, 15428), (8968, 14413), (9443, 13688), (10792, 11977)]