407382008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{18013}}^1$

素因数の和:18287

約数の個数: 32

約数和(自身を含む): 836570160

約数和(自身を除く): 429188152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 1028, 2056, 2827, 5654, 11308, 18013, 22616, 36026, 72052, 144104, 198143, 396286, 792572, 1585144, 4629341, 9258682, 18517364, 37034728, 50922751, 101845502, 203691004, 407382008]

約数ペア:

[(1, 407382008), (2, 203691004), (4, 101845502), (8, 50922751), (11, 37034728), (22, 18517364), (44, 9258682), (88, 4629341), (257, 1585144), (514, 792572), (1028, 396286), (2056, 198143), (2827, 144104), (5654, 72052), (11308, 36026), (18013, 22616)]