992990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 1805760

約数和(自身を除く): 812770

約数列:

[1, 2, 5, 10, 109, 218, 545, 911, 1090, 1822, 4555, 9110, 99299, 198598, 496495, 992990]

約数ペア:

[(1, 992990), (2, 496495), (5, 198598), (10, 99299), (109, 9110), (218, 4555), (545, 1822), (911, 1090)]