257546352

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{15643}}^1$

素因数の和:15675

約数の個数: 80

約数和(自身を含む): 775942400

約数和(自身を除く): 518396048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 5488, 8232, 15643, 16464, 31286, 46929, 62572, 93858, 109501, 125144, 187716, 219002, 250288, 328503, 375432, 438004, 657006, 750864, 766507, 876008, 1314012, 1533014, 1752016, 2299521, 2628024, 3066028, 4599042, 5256048, 5365549, 6132056, 9198084, 10731098, 12264112, 16096647, 18396168, 21462196, 32193294, 36792336, 42924392, 64386588, 85848784, 128773176, 257546352]

約数ペア:

[(1, 257546352), (2, 128773176), (3, 85848784), (4, 64386588), (6, 42924392), (7, 36792336), (8, 32193294), (12, 21462196), (14, 18396168), (16, 16096647), (21, 12264112), (24, 10731098), (28, 9198084), (42, 6132056), (48, 5365549), (49, 5256048), (56, 4599042), (84, 3066028), (98, 2628024), (112, 2299521), (147, 1752016), (168, 1533014), (196, 1314012), (294, 876008), (336, 766507), (343, 750864), (392, 657006), (588, 438004), (686, 375432), (784, 328503), (1029, 250288), (1176, 219002), (1372, 187716), (2058, 125144), (2352, 109501), (2744, 93858), (4116, 62572), (5488, 46929), (8232, 31286), (15643, 16464)]