640705198

素因数分解:

$2^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{53401}}^1$

素因数の和:54267

約数の個数: 16

約数和(自身を含む): 1099653984

約数和(自身を除く): 458948786

約数列:

[1, 2, 7, 14, 857, 1714, 5999, 11998, 53401, 106802, 373807, 747614, 45764657, 91529314, 320352599, 640705198]

約数ペア:

[(1, 640705198), (2, 320352599), (7, 91529314), (14, 45764657), (857, 747614), (1714, 373807), (5999, 106802), (11998, 53401)]