3980821588

素因数分解:

$2^2\times {\mathrm{4937}}^1\times {\mathrm{201581}}^1$

素因数の和:206522

約数の個数: 12

約数和(自身を含む): 6967883412

約数和(自身を除く): 2987061824

約数列:

[1, 2, 4, 4937, 9874, 19748, 201581, 403162, 806324, 995205397, 1990410794, 3980821588]

約数ペア:

[(1, 3980821588), (2, 1990410794), (4, 995205397), (4937, 806324), (9874, 403162), (19748, 201581)]