40987828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47221}}^1$

素因数の和:47263

約数の個数: 24

約数和(自身を含む): 84621824

約数和(自身を除く): 43633996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 47221, 94442, 188884, 330547, 661094, 1322188, 1463851, 2927702, 5855404, 10246957, 20493914, 40987828]

約数ペア:

[(1, 40987828), (2, 20493914), (4, 10246957), (7, 5855404), (14, 2927702), (28, 1463851), (31, 1322188), (62, 661094), (124, 330547), (217, 188884), (434, 94442), (868, 47221)]