168824990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{189691}}^1$

素因数の和:189787

約数の個数: 16

約数和(自身を含む): 307301040

約数和(自身を除く): 138476050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 189691, 379382, 948455, 1896910, 16882499, 33764998, 84412495, 168824990]

約数ペア:

[(1, 168824990), (2, 84412495), (5, 33764998), (10, 16882499), (89, 1896910), (178, 948455), (445, 379382), (890, 189691)]