640254

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{6277}}^1$

素因数の和:6299

約数の個数: 16

約数和(自身を含む): 1356048

約数和(自身を除く): 715794

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 6277, 12554, 18831, 37662, 106709, 213418, 320127, 640254]

約数ペア:

[(1, 640254), (2, 320127), (3, 213418), (6, 106709), (17, 37662), (34, 18831), (51, 12554), (102, 6277)]