9999385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 13156992

約数和(自身を除く): 3157607

約数列:

[1, 5, 11, 55, 281, 647, 1405, 3091, 3235, 7117, 15455, 35585, 181807, 909035, 1999877, 9999385]

約数ペア:

[(1, 9999385), (5, 1999877), (11, 909035), (55, 181807), (281, 35585), (647, 15455), (1405, 7117), (3091, 3235)]