81674716

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3739}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 147445760

約数和(自身を除く): 65771044

約数列:

[1, 2, 4, 43, 86, 127, 172, 254, 508, 3739, 5461, 7478, 10922, 14956, 21844, 160777, 321554, 474853, 643108, 949706, 1899412, 20418679, 40837358, 81674716]

約数ペア:

[(1, 81674716), (2, 40837358), (4, 20418679), (43, 1899412), (86, 949706), (127, 643108), (172, 474853), (254, 321554), (508, 160777), (3739, 21844), (5461, 14956), (7478, 10922)]