256355596

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{72091}}^1$

素因数の和:72229

約数の個数: 24

約数和(自身を含む): 516755456

約数和(自身を除く): 260399860

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 72091, 144182, 288364, 504637, 1009274, 2018548, 9155557, 18311114, 36622228, 64088899, 128177798, 256355596]

約数ペア:

[(1, 256355596), (2, 128177798), (4, 64088899), (7, 36622228), (14, 18311114), (28, 9155557), (127, 2018548), (254, 1009274), (508, 504637), (889, 288364), (1778, 144182), (3556, 72091)]