81332848

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{123983}}^1$

素因数の和:124032

約数の個数: 20

約数和(自身を含む): 161427168

約数和(自身を除く): 80094320

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 123983, 247966, 495932, 991864, 1983728, 5083303, 10166606, 20333212, 40666424, 81332848]

約数ペア:

[(1, 81332848), (2, 40666424), (4, 20333212), (8, 10166606), (16, 5083303), (41, 1983728), (82, 991864), (164, 495932), (328, 247966), (656, 123983)]