28123836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180281}}^1$

素因数の和:180301

約数の個数: 24

約数和(自身を含む): 70670544

約数和(自身を除く): 42546708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180281, 360562, 540843, 721124, 1081686, 2163372, 2343653, 4687306, 7030959, 9374612, 14061918, 28123836]

約数ペア:

[(1, 28123836), (2, 14061918), (3, 9374612), (4, 7030959), (6, 4687306), (12, 2343653), (13, 2163372), (26, 1081686), (39, 721124), (52, 540843), (78, 360562), (156, 180281)]