489969004

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{406951}}^1$

素因数の和:407005

約数の個数: 24

約数和(自身を含む): 1002729728

約数和(自身を除く): 512760724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 406951, 813902, 1627804, 2848657, 5697314, 11394628, 17498893, 34997786, 69995572, 122492251, 244984502, 489969004]

約数ペア:

[(1, 489969004), (2, 244984502), (4, 122492251), (7, 69995572), (14, 34997786), (28, 17498893), (43, 11394628), (86, 5697314), (172, 2848657), (301, 1627804), (602, 813902), (1204, 406951)]