281492008

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{22541}}^1$

素因数の和:22777

約数の個数: 32

約数和(自身を含む): 605928960

約数和(自身を除く): 324436952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 22541, 45082, 90164, 157787, 180328, 315574, 631148, 1262296, 5026643, 10053286, 20106572, 35186501, 40213144, 70373002, 140746004, 281492008]

約数ペア:

[(1, 281492008), (2, 140746004), (4, 70373002), (7, 40213144), (8, 35186501), (14, 20106572), (28, 10053286), (56, 5026643), (223, 1262296), (446, 631148), (892, 315574), (1561, 180328), (1784, 157787), (3122, 90164), (6244, 45082), (12488, 22541)]