645983

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 16

約数和(自身を含む): 766080

約数和(自身を除く): 120097

約数列:

[1, 13, 17, 37, 79, 221, 481, 629, 1027, 1343, 2923, 8177, 17459, 37999, 49691, 645983]

約数ペア:

[(1, 645983), (13, 49691), (17, 37999), (37, 17459), (79, 8177), (221, 2923), (481, 1343), (629, 1027)]