257842816

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26161}}^1$

素因数の和:26193

約数の個数: 64

約数和(自身を含む): 640445760

約数和(自身を除く): 382602944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2464, 4928, 9856, 26161, 52322, 104644, 183127, 209288, 287771, 366254, 418576, 575542, 732508, 837152, 1151084, 1465016, 1674304, 2014397, 2302168, 2930032, 3348608, 4028794, 4604336, 5860064, 8057588, 9208672, 11720128, 16115176, 18417344, 23440256, 32230352, 36834688, 64460704, 128921408, 257842816]

約数ペア:

[(1, 257842816), (2, 128921408), (4, 64460704), (7, 36834688), (8, 32230352), (11, 23440256), (14, 18417344), (16, 16115176), (22, 11720128), (28, 9208672), (32, 8057588), (44, 5860064), (56, 4604336), (64, 4028794), (77, 3348608), (88, 2930032), (112, 2302168), (128, 2014397), (154, 1674304), (176, 1465016), (224, 1151084), (308, 837152), (352, 732508), (448, 575542), (616, 418576), (704, 366254), (896, 287771), (1232, 209288), (1408, 183127), (2464, 104644), (4928, 52322), (9856, 26161)]