81329276

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{22871}}^1$

素因数の和:23009

約数の個数: 24

約数和(自身を含む): 163946496

約数和(自身を除く): 82617220

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 22871, 45742, 91484, 160097, 320194, 640388, 2904617, 5809234, 11618468, 20332319, 40664638, 81329276]

約数ペア:

[(1, 81329276), (2, 40664638), (4, 20332319), (7, 11618468), (14, 5809234), (28, 2904617), (127, 640388), (254, 320194), (508, 160097), (889, 91484), (1778, 45742), (3556, 22871)]