66774184

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 128700000

約数和(自身を除く): 61925816

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 389, 499, 778, 998, 1556, 1996, 3112, 3992, 16727, 21457, 33454, 42914, 66908, 85828, 133816, 171656, 194111, 388222, 776444, 1552888, 8346773, 16693546, 33387092, 66774184]

約数ペア:

[(1, 66774184), (2, 33387092), (4, 16693546), (8, 8346773), (43, 1552888), (86, 776444), (172, 388222), (344, 194111), (389, 171656), (499, 133816), (778, 85828), (998, 66908), (1556, 42914), (1996, 33454), (3112, 21457), (3992, 16727)]