256538368

素因数分解:

$2^8\times {\mathrm{283}}^1\times {\mathrm{3541}}^1$

素因数の和:3840

約数の個数: 36

約数和(自身を含む): 514029208

約数和(自身を除く): 257490840

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 283, 566, 1132, 2264, 3541, 4528, 7082, 9056, 14164, 18112, 28328, 36224, 56656, 72448, 113312, 226624, 453248, 906496, 1002103, 2004206, 4008412, 8016824, 16033648, 32067296, 64134592, 128269184, 256538368]

約数ペア:

[(1, 256538368), (2, 128269184), (4, 64134592), (8, 32067296), (16, 16033648), (32, 8016824), (64, 4008412), (128, 2004206), (256, 1002103), (283, 906496), (566, 453248), (1132, 226624), (2264, 113312), (3541, 72448), (4528, 56656), (7082, 36224), (9056, 28328), (14164, 18112)]