645014

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 16

約数和(自身を含む): 1044576

約数和(自身を除く): 399562

約数列:

[1, 2, 17, 34, 61, 122, 311, 622, 1037, 2074, 5287, 10574, 18971, 37942, 322507, 645014]

約数ペア:

[(1, 645014), (2, 322507), (17, 37942), (34, 18971), (61, 10574), (122, 5287), (311, 2074), (622, 1037)]