30991486

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 47096640

約数和(自身を除く): 16105154

約数列:

[1, 2, 157, 229, 314, 431, 458, 862, 35953, 67667, 71906, 98699, 135334, 197398, 15495743, 30991486]

約数ペア:

[(1, 30991486), (2, 15495743), (157, 197398), (229, 135334), (314, 98699), (431, 71906), (458, 67667), (862, 35953)]