25994995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 9099533

約数列:

[1, 5, 13, 47, 65, 67, 127, 235, 335, 611, 635, 871, 1651, 3055, 3149, 4355, 5969, 8255, 8509, 15745, 29845, 40937, 42545, 77597, 110617, 204685, 387985, 399923, 553085, 1999615, 5198999, 25994995]

約数ペア:

[(1, 25994995), (5, 5198999), (13, 1999615), (47, 553085), (65, 399923), (67, 387985), (127, 204685), (235, 110617), (335, 77597), (611, 42545), (635, 40937), (871, 29845), (1651, 15745), (3055, 8509), (3149, 8255), (4355, 5969)]