66828188

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{76991}}^1$

素因数の和:77033

約数の個数: 24

約数和(自身を含む): 137969664

約数和(自身を除く): 71141476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 76991, 153982, 307964, 538937, 1077874, 2155748, 2386721, 4773442, 9546884, 16707047, 33414094, 66828188]

約数ペア:

[(1, 66828188), (2, 33414094), (4, 16707047), (7, 9546884), (14, 4773442), (28, 2386721), (31, 2155748), (62, 1077874), (124, 538937), (217, 307964), (434, 153982), (868, 76991)]