128297778

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 309043200

約数和(自身を除く): 180745422

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 343, 434, 651, 686, 1029, 1302, 1519, 2011, 2058, 3038, 4022, 4557, 6033, 9114, 10633, 12066, 14077, 21266, 28154, 31899, 42231, 62341, 63798, 84462, 98539, 124682, 187023, 197078, 295617, 374046, 436387, 591234, 689773, 872774, 1309161, 1379546, 2069319, 2618322, 3054709, 4138638, 6109418, 9164127, 18328254, 21382963, 42765926, 64148889, 128297778]

約数ペア:

[(1, 128297778), (2, 64148889), (3, 42765926), (6, 21382963), (7, 18328254), (14, 9164127), (21, 6109418), (31, 4138638), (42, 3054709), (49, 2618322), (62, 2069319), (93, 1379546), (98, 1309161), (147, 872774), (186, 689773), (217, 591234), (294, 436387), (343, 374046), (434, 295617), (651, 197078), (686, 187023), (1029, 124682), (1302, 98539), (1519, 84462), (2011, 63798), (2058, 62341), (3038, 42231), (4022, 31899), (4557, 28154), (6033, 21266), (9114, 14077), (10633, 12066)]