66844561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1999}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 81216000

約数和(自身を除く): 14371439

約数列:

[1, 7, 17, 119, 281, 1967, 1999, 4777, 13993, 33439, 33983, 237881, 561719, 3932033, 9549223, 66844561]

約数ペア:

[(1, 66844561), (7, 9549223), (17, 3932033), (119, 561719), (281, 237881), (1967, 33983), (1999, 33439), (4777, 13993)]