66218878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{20201}}^1$

素因数の和:20363

約数の個数: 16

約数和(自身を含む): 109090800

約数和(自身を除く): 42871922

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 20201, 40402, 222211, 444422, 3009949, 6019898, 33109439, 66218878]

約数ペア:

[(1, 66218878), (2, 33109439), (11, 6019898), (22, 3009949), (149, 444422), (298, 222211), (1639, 40402), (3278, 20201)]