209973554

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211241}}^1$

素因数の和:211321

約数の個数: 16

約数和(自身を含む): 365026176

約数和(自身を除く): 155052622

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 211241, 422482, 1478687, 2957374, 14998111, 29996222, 104986777, 209973554]

約数ペア:

[(1, 209973554), (2, 104986777), (7, 29996222), (14, 14998111), (71, 2957374), (142, 1478687), (497, 422482), (994, 211241)]