1209404

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 2472960

約数和(自身を除く): 1263556

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 919, 1316, 1838, 3676, 6433, 12866, 25732, 43193, 86386, 172772, 302351, 604702, 1209404]

約数ペア:

[(1, 1209404), (2, 604702), (4, 302351), (7, 172772), (14, 86386), (28, 43193), (47, 25732), (94, 12866), (188, 6433), (329, 3676), (658, 1838), (919, 1316)]