81786516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22643}}^1$

素因数の和:22700

約数の個数: 48

約数和(自身を含む): 223179264

約数和(自身を除く): 141392748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 22643, 45286, 67929, 90572, 135858, 158501, 271716, 317002, 475503, 634004, 951006, 973649, 1902012, 1947298, 2920947, 3894596, 5841894, 6815543, 11683788, 13631086, 20446629, 27262172, 40893258, 81786516]

約数ペア:

[(1, 81786516), (2, 40893258), (3, 27262172), (4, 20446629), (6, 13631086), (7, 11683788), (12, 6815543), (14, 5841894), (21, 3894596), (28, 2920947), (42, 1947298), (43, 1902012), (84, 973649), (86, 951006), (129, 634004), (172, 475503), (258, 317002), (301, 271716), (516, 158501), (602, 135858), (903, 90572), (1204, 67929), (1806, 45286), (3612, 22643)]