128108456

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18013}}^1$

素因数の和:18153

約数の個数: 32

約数和(自身を含む): 276695040

約数和(自身を除く): 148586584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3556, 7112, 18013, 36026, 72052, 126091, 144104, 252182, 504364, 1008728, 2287651, 4575302, 9150604, 16013557, 18301208, 32027114, 64054228, 128108456]

約数ペア:

[(1, 128108456), (2, 64054228), (4, 32027114), (7, 18301208), (8, 16013557), (14, 9150604), (28, 4575302), (56, 2287651), (127, 1008728), (254, 504364), (508, 252182), (889, 144104), (1016, 126091), (1778, 72052), (3556, 36026), (7112, 18013)]