25263362

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 38880000

約数和(自身を除く): 13616638

約数列:

[1, 2, 71, 89, 142, 178, 1999, 3998, 6319, 12638, 141929, 177911, 283858, 355822, 12631681, 25263362]

約数ペア:

[(1, 25263362), (2, 12631681), (71, 355822), (89, 283858), (142, 177911), (178, 141929), (1999, 12638), (3998, 6319)]