39891887

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{977}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 48195840

約数和(自身を除く): 8303953

約数列:

[1, 7, 19, 133, 307, 977, 2149, 5833, 6839, 18563, 40831, 129941, 299939, 2099573, 5698841, 39891887]

約数ペア:

[(1, 39891887), (7, 5698841), (19, 2099573), (133, 299939), (307, 129941), (977, 40831), (2149, 18563), (5833, 6839)]