81660238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{2657}}^1$

素因数の和:2808

約数の個数: 24

約数和(自身を含む): 135749376

約数和(自身を除く): 54089138

約数列:

[1, 2, 11, 22, 121, 127, 242, 254, 1397, 2657, 2794, 5314, 15367, 29227, 30734, 58454, 321497, 337439, 642994, 674878, 3711829, 7423658, 40830119, 81660238]

約数ペア:

[(1, 81660238), (2, 40830119), (11, 7423658), (22, 3711829), (121, 674878), (127, 642994), (242, 337439), (254, 321497), (1397, 58454), (2657, 30734), (2794, 29227), (5314, 15367)]