67811816

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 129703680

約数和(自身を除く): 61891864

約数列:

[1, 2, 4, 8, 71, 142, 277, 284, 431, 554, 568, 862, 1108, 1724, 2216, 3448, 19667, 30601, 39334, 61202, 78668, 119387, 122404, 157336, 238774, 244808, 477548, 955096, 8476477, 16952954, 33905908, 67811816]

約数ペア:

[(1, 67811816), (2, 33905908), (4, 16952954), (8, 8476477), (71, 955096), (142, 477548), (277, 244808), (284, 238774), (431, 157336), (554, 122404), (568, 119387), (862, 78668), (1108, 61202), (1724, 39334), (2216, 30601), (3448, 19667)]