331396247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{18869}}^1$

素因数の和:19082

約数の個数: 16

約数和(自身を含む): 410007360

約数和(自身を除く): 78611113

約数列:

[1, 7, 13, 91, 193, 1351, 2509, 17563, 18869, 132083, 245297, 1717079, 3641717, 25492019, 47342321, 331396247]

約数ペア:

[(1, 331396247), (7, 47342321), (13, 25492019), (91, 3641717), (193, 1717079), (1351, 245297), (2509, 132083), (17563, 18869)]