87990298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 150543360

約数和(自身を除く): 62553062

約数列:

[1, 2, 11, 22, 43, 47, 86, 94, 473, 517, 946, 1034, 1979, 2021, 3958, 4042, 21769, 22231, 43538, 44462, 85097, 93013, 170194, 186026, 936067, 1023143, 1872134, 2046286, 3999559, 7999118, 43995149, 87990298]

約数ペア:

[(1, 87990298), (2, 43995149), (11, 7999118), (22, 3999559), (43, 2046286), (47, 1872134), (86, 1023143), (94, 936067), (473, 186026), (517, 170194), (946, 93013), (1034, 85097), (1979, 44462), (2021, 43538), (3958, 22231), (4042, 21769)]