66866156

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3691}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 133975296

約数和(自身を除く): 67109140

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 3691, 4529, 7382, 9058, 14764, 18116, 25837, 51674, 103348, 2388077, 4776154, 9552308, 16716539, 33433078, 66866156]

約数ペア:

[(1, 66866156), (2, 33433078), (4, 16716539), (7, 9552308), (14, 4776154), (28, 2388077), (647, 103348), (1294, 51674), (2588, 25837), (3691, 18116), (4529, 14764), (7382, 9058)]