644062

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 16

約数和(自身を含む): 1077840

約数和(自身を除く): 433778

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 997, 1994, 16949, 18943, 33898, 37886, 322031, 644062]

約数ペア:

[(1, 644062), (2, 322031), (17, 37886), (19, 33898), (34, 18943), (38, 16949), (323, 1994), (646, 997)]