128519032

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1667}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 252201600

約数和(自身を除く): 123682568

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 419, 838, 1667, 1676, 3334, 3352, 6668, 9637, 13336, 19274, 38341, 38548, 76682, 77096, 153364, 306728, 698473, 1396946, 2793892, 5587784, 16064879, 32129758, 64259516, 128519032]

約数ペア:

[(1, 128519032), (2, 64259516), (4, 32129758), (8, 16064879), (23, 5587784), (46, 2793892), (92, 1396946), (184, 698473), (419, 306728), (838, 153364), (1667, 77096), (1676, 76682), (3334, 38548), (3352, 38341), (6668, 19274), (9637, 13336)]