81280554

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{56681}}^1$

素因数の和:56925

約数の個数: 16

約数和(自身を含む): 163244160

約数和(自身を除く): 81963606

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 56681, 113362, 170043, 340086, 13546759, 27093518, 40640277, 81280554]

約数ペア:

[(1, 81280554), (2, 40640277), (3, 27093518), (6, 13546759), (239, 340086), (478, 170043), (717, 113362), (1434, 56681)]