81129886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{16811}}^1$

素因数の和:16959

約数の個数: 16

約数和(自身を含む): 129116160

約数和(自身を除く): 47986274

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4826, 16811, 33622, 319409, 638818, 2134997, 4269994, 40564943, 81129886]

約数ペア:

[(1, 81129886), (2, 40564943), (19, 4269994), (38, 2134997), (127, 638818), (254, 319409), (2413, 33622), (4826, 16811)]