1990490876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{45238429}}^1$

素因数の和:45238444

約数の個数: 12

約数和(自身を含む): 3800028120

約数和(自身を除く): 1809537244

約数列:

[1, 2, 4, 11, 22, 44, 45238429, 90476858, 180953716, 497622719, 995245438, 1990490876]

約数ペア:

[(1, 1990490876), (2, 995245438), (4, 497622719), (11, 180953716), (22, 90476858), (44, 45238429)]