31218886

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{1381}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 47761920

約数和(自身を除く): 16543034

約数列:

[1, 2, 89, 127, 178, 254, 1381, 2762, 11303, 22606, 122909, 175387, 245818, 350774, 15609443, 31218886]

約数ペア:

[(1, 31218886), (2, 15609443), (89, 350774), (127, 245818), (178, 175387), (254, 122909), (1381, 22606), (2762, 11303)]