1980545

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 2757888

約数和(自身を除く): 777343

約数列:

[1, 5, 7, 35, 71, 355, 497, 797, 2485, 3985, 5579, 27895, 56587, 282935, 396109, 1980545]

約数ペア:

[(1, 1980545), (5, 396109), (7, 282935), (35, 56587), (71, 27895), (355, 5579), (497, 3985), (797, 2485)]