220991014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1\times {\mathrm{4273}}^1$

素因数の和:5655

約数の個数: 16

約数和(自身を含む): 349271280

約数和(自身を除く): 128280266

約数列:

[1, 2, 19, 38, 1361, 2722, 4273, 8546, 25859, 51718, 81187, 162374, 5815553, 11631106, 110495507, 220991014]

約数ペア:

[(1, 220991014), (2, 110495507), (19, 11631106), (38, 5815553), (1361, 162374), (2722, 81187), (4273, 51718), (8546, 25859)]