91990690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2689}}^1$

素因数の和:3018

約数の個数: 32

約数和(自身を含む): 181284480

約数和(自身を除く): 89293790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 1555, 2689, 3110, 3421, 5378, 6842, 13445, 17105, 26890, 29579, 34210, 59158, 147895, 295790, 836279, 1672558, 4181395, 8362790, 9199069, 18398138, 45995345, 91990690]

約数ペア:

[(1, 91990690), (2, 45995345), (5, 18398138), (10, 9199069), (11, 8362790), (22, 4181395), (55, 1672558), (110, 836279), (311, 295790), (622, 147895), (1555, 59158), (2689, 34210), (3110, 29579), (3421, 26890), (5378, 17105), (6842, 13445)]