56181918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{720281}}^1$

素因数の和:720299

約数の個数: 16

約数和(自身を含む): 121007376

約数和(自身を除く): 64825458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 720281, 1440562, 2160843, 4321686, 9363653, 18727306, 28090959, 56181918]

約数ペア:

[(1, 56181918), (2, 28090959), (3, 18727306), (6, 9363653), (13, 4321686), (26, 2160843), (39, 1440562), (78, 720281)]