66976256

素因数分解:

$2^9\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:784

約数の個数: 40

約数和(自身を含む): 134606340

約数和(自身を除く): 67630084

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 257, 509, 512, 514, 1018, 1028, 2036, 2056, 4072, 4112, 8144, 8224, 16288, 16448, 32576, 32896, 65152, 65792, 130304, 130813, 131584, 260608, 261626, 523252, 1046504, 2093008, 4186016, 8372032, 16744064, 33488128, 66976256]

約数ペア:

[(1, 66976256), (2, 33488128), (4, 16744064), (8, 8372032), (16, 4186016), (32, 2093008), (64, 1046504), (128, 523252), (256, 261626), (257, 260608), (509, 131584), (512, 130813), (514, 130304), (1018, 65792), (1028, 65152), (2036, 32896), (2056, 32576), (4072, 16448), (4112, 16288), (8144, 8224)]