64861918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71909}}^1$

素因数の和:71963

約数の個数: 16

約数和(自身を含む): 108727920

約数和(自身を除く): 43866002

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 71909, 143818, 790999, 1581998, 2948269, 5896538, 32430959, 64861918]

約数ペア:

[(1, 64861918), (2, 32430959), (11, 5896538), (22, 2948269), (41, 1581998), (82, 790999), (451, 143818), (902, 71909)]