40471772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21449

約数の個数: 24

約数和(自身を含む): 79064832

約数和(自身を除く): 38593060

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 21391, 42782, 85564, 235301, 470602, 919813, 941204, 1839626, 3679252, 10117943, 20235886, 40471772]

約数ペア:

[(1, 40471772), (2, 20235886), (4, 10117943), (11, 3679252), (22, 1839626), (43, 941204), (44, 919813), (86, 470602), (172, 235301), (473, 85564), (946, 42782), (1892, 21391)]