66378571

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1283}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 80121600

約数和(自身を除く): 13743029

約数列:

[1, 7, 19, 133, 389, 1283, 2723, 7391, 8981, 24377, 51737, 170639, 499087, 3493609, 9482653, 66378571]

約数ペア:

[(1, 66378571), (7, 9482653), (19, 3493609), (133, 499087), (389, 170639), (1283, 51737), (2723, 24377), (7391, 8981)]