172664510

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{21031}}^1$

素因数の和:21859

約数の個数: 16

約数和(自身を含む): 311189472

約数和(自身を除く): 138524962

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 21031, 42062, 105155, 210310, 17266451, 34532902, 86332255, 172664510]

約数ペア:

[(1, 172664510), (2, 86332255), (5, 34532902), (10, 17266451), (821, 210310), (1642, 105155), (4105, 42062), (8210, 21031)]