253312085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{205111}}^1$

素因数の和:205148

約数の個数: 16

約数和(自身を含む): 344588160

約数和(自身を除く): 91276075

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 205111, 1025555, 2666443, 3897109, 13332215, 19485545, 50662417, 253312085]

約数ペア:

[(1, 253312085), (5, 50662417), (13, 19485545), (19, 13332215), (65, 3897109), (95, 2666443), (247, 1025555), (1235, 205111)]