28171510

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68711}}^1$

素因数の和:68759

約数の個数: 16

約数和(自身を含む): 51946272

約数和(自身を除く): 23774762

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 68711, 137422, 343555, 687110, 2817151, 5634302, 14085755, 28171510]

約数ペア:

[(1, 28171510), (2, 14085755), (5, 5634302), (10, 2817151), (41, 687110), (82, 343555), (205, 137422), (410, 68711)]