12389456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 25337664

約数和(自身を除く): 12948208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 131, 184, 257, 262, 368, 514, 524, 1028, 1048, 2056, 2096, 3013, 4112, 5911, 6026, 11822, 12052, 23644, 24104, 33667, 47288, 48208, 67334, 94576, 134668, 269336, 538672, 774341, 1548682, 3097364, 6194728, 12389456]

約数ペア:

[(1, 12389456), (2, 6194728), (4, 3097364), (8, 1548682), (16, 774341), (23, 538672), (46, 269336), (92, 134668), (131, 94576), (184, 67334), (257, 48208), (262, 47288), (368, 33667), (514, 24104), (524, 23644), (1028, 12052), (1048, 11822), (2056, 6026), (2096, 5911), (3013, 4112)]