640097922

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{978743}}^1$

素因数の和:978857

約数の個数: 16

約数和(自身を含む): 1291942080

約数和(自身を除く): 651844158

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 978743, 1957486, 2936229, 5872458, 106682987, 213365974, 320048961, 640097922]

約数ペア:

[(1, 640097922), (2, 320048961), (3, 213365974), (6, 106682987), (109, 5872458), (218, 2936229), (327, 1957486), (654, 978743)]