81312564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{398591}}^1$

素因数の和:398615

約数の個数: 24

約数和(自身を含む): 200890368

約数和(自身を除く): 119577804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 398591, 797182, 1195773, 1594364, 2391546, 4783092, 6776047, 13552094, 20328141, 27104188, 40656282, 81312564]

約数ペア:

[(1, 81312564), (2, 40656282), (3, 27104188), (4, 20328141), (6, 13552094), (12, 6776047), (17, 4783092), (34, 2391546), (51, 1594364), (68, 1195773), (102, 797182), (204, 398591)]