639745422

素因数分解:

$2^1\times 3^1\times {\mathrm{6211}}^1\times {\mathrm{17167}}^1$

素因数の和:23383

約数の個数: 16

約数和(自身を含む): 1279771392

約数和(自身を除く): 640025970

約数列:

[1, 2, 3, 6, 6211, 12422, 17167, 18633, 34334, 37266, 51501, 103002, 106624237, 213248474, 319872711, 639745422]

約数ペア:

[(1, 639745422), (2, 319872711), (3, 213248474), (6, 106624237), (6211, 103002), (12422, 51501), (17167, 37266), (18633, 34334)]