278439136

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2129}}^1$

素因数の和:2267

約数の個数: 48

約数和(自身を含む): 565745040

約数和(自身を除く): 287305904

約数列:

[1, 2, 4, 8, 16, 32, 61, 67, 122, 134, 244, 268, 488, 536, 976, 1072, 1952, 2129, 2144, 4087, 4258, 8174, 8516, 16348, 17032, 32696, 34064, 65392, 68128, 129869, 130784, 142643, 259738, 285286, 519476, 570572, 1038952, 1141144, 2077904, 2282288, 4155808, 4564576, 8701223, 17402446, 34804892, 69609784, 139219568, 278439136]

約数ペア:

[(1, 278439136), (2, 139219568), (4, 69609784), (8, 34804892), (16, 17402446), (32, 8701223), (61, 4564576), (67, 4155808), (122, 2282288), (134, 2077904), (244, 1141144), (268, 1038952), (488, 570572), (536, 519476), (976, 285286), (1072, 259738), (1952, 142643), (2129, 130784), (2144, 129869), (4087, 68128), (4258, 65392), (8174, 34064), (8516, 32696), (16348, 17032)]