81321238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{4027}}^1$

素因数の和:4491

約数の個数: 16

約数和(自身を含む): 127607040

約数和(自身を除く): 46285802

約数列:

[1, 2, 23, 46, 439, 878, 4027, 8054, 10097, 20194, 92621, 185242, 1767853, 3535706, 40660619, 81321238]

約数ペア:

[(1, 81321238), (2, 40660619), (23, 3535706), (46, 1767853), (439, 185242), (878, 92621), (4027, 20194), (8054, 10097)]