2009169925

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{87641}}^1$

素因数の和:87789

約数の個数: 24

約数和(自身を含む): 2869048512

約数和(自身を除く): 859878587

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 917, 3275, 4585, 22925, 87641, 438205, 613487, 2191025, 3067435, 11480971, 15337175, 57404855, 80366797, 287024275, 401833985, 2009169925]

約数ペア:

[(1, 2009169925), (5, 401833985), (7, 287024275), (25, 80366797), (35, 57404855), (131, 15337175), (175, 11480971), (655, 3067435), (917, 2191025), (3275, 613487), (4585, 438205), (22925, 87641)]