489773956

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{406789}}^1$

素因数の和:406843

約数の個数: 24

約数和(自身を含む): 1002330560

約数和(自身を除く): 512556604

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 406789, 813578, 1627156, 2847523, 5695046, 11390092, 17491927, 34983854, 69967708, 122443489, 244886978, 489773956]

約数ペア:

[(1, 489773956), (2, 244886978), (4, 122443489), (7, 69967708), (14, 34983854), (28, 17491927), (43, 11390092), (86, 5695046), (172, 2847523), (301, 1627156), (602, 813578), (1204, 406789)]