281209788

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{56197}}^1$

素因数の和:56346

約数の個数: 36

約数和(自身を含む): 715962520

約数和(自身を除く): 434752732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 56197, 112394, 168591, 224788, 337182, 505773, 674364, 1011546, 2023092, 7811383, 15622766, 23434149, 31245532, 46868298, 70302447, 93736596, 140604894, 281209788]

約数ペア:

[(1, 281209788), (2, 140604894), (3, 93736596), (4, 70302447), (6, 46868298), (9, 31245532), (12, 23434149), (18, 15622766), (36, 7811383), (139, 2023092), (278, 1011546), (417, 674364), (556, 505773), (834, 337182), (1251, 224788), (1668, 168591), (2502, 112394), (5004, 56197)]