213886442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1388873}}^1$

素因数の和:1388893

約数の個数: 16

約数和(自身を含む): 399995712

約数和(自身を除く): 186109270

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1388873, 2777746, 9722111, 15277603, 19444222, 30555206, 106943221, 213886442]

約数ペア:

[(1, 213886442), (2, 106943221), (7, 30555206), (11, 19444222), (14, 15277603), (22, 9722111), (77, 2777746), (154, 1388873)]