66968590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{515143}}^1$

素因数の和:515163

約数の個数: 16

約数和(自身を含む): 129816288

約数和(自身を除く): 62847698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 515143, 1030286, 2575715, 5151430, 6696859, 13393718, 33484295, 66968590]

約数ペア:

[(1, 66968590), (2, 33484295), (5, 13393718), (10, 6696859), (13, 5151430), (26, 2575715), (65, 1030286), (130, 515143)]