214921805

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{57389}}^1$

素因数の和:57508

約数の個数: 16

約数和(自身を含む): 297509760

約数和(自身を除く): 82587955

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 57389, 286945, 401723, 2008615, 6140623, 30703115, 42984361, 214921805]

約数ペア:

[(1, 214921805), (5, 42984361), (7, 30703115), (35, 6140623), (107, 2008615), (535, 401723), (749, 286945), (3745, 57389)]