388485785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{2069}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 504574920

約数和(自身を除く): 116089135

約数列:

[1, 5, 17, 47, 85, 235, 799, 2069, 2209, 3995, 10345, 11045, 35173, 37553, 97243, 175865, 187765, 486215, 1653131, 4570421, 8265655, 22852105, 77697157, 388485785]

約数ペア:

[(1, 388485785), (5, 77697157), (17, 22852105), (47, 8265655), (85, 4570421), (235, 1653131), (799, 486215), (2069, 187765), (2209, 175865), (3995, 97243), (10345, 37553), (11045, 35173)]