81411556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{941}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 146228544

約数和(自身を除く): 64816988

約数列:

[1, 2, 4, 43, 86, 172, 503, 941, 1006, 1882, 2012, 3764, 21629, 40463, 43258, 80926, 86516, 161852, 473323, 946646, 1893292, 20352889, 40705778, 81411556]

約数ペア:

[(1, 81411556), (2, 40705778), (4, 20352889), (43, 1893292), (86, 946646), (172, 473323), (503, 161852), (941, 86516), (1006, 80926), (1882, 43258), (2012, 40463), (3764, 21629)]