31123994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{9011}}^1$

素因数の和:9181

約数の個数: 16

約数和(自身を含む): 51260256

約数和(自身を除く): 20136262

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 9011, 18022, 99121, 198242, 1414727, 2829454, 15561997, 31123994]

約数ペア:

[(1, 31123994), (2, 15561997), (11, 2829454), (22, 1414727), (157, 198242), (314, 99121), (1727, 18022), (3454, 9011)]