64898687

素因数分解:

$7^3\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 76032000

約数和(自身を除く): 11133313

約数列:

[1, 7, 49, 343, 431, 439, 3017, 3073, 21119, 21511, 147833, 150577, 189209, 1324463, 9271241, 64898687]

約数ペア:

[(1, 64898687), (7, 9271241), (49, 1324463), (343, 189209), (431, 150577), (439, 147833), (3017, 21511), (3073, 21119)]