12989116

素因数分解:

$2^2\times 7^2\times {\mathrm{66271}}^1$

素因数の和:66289

約数の個数: 18

約数和(自身を含む): 26442528

約数和(自身を除く): 13453412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 66271, 132542, 265084, 463897, 927794, 1855588, 3247279, 6494558, 12989116]

約数ペア:

[(1, 12989116), (2, 6494558), (4, 3247279), (7, 1855588), (14, 927794), (28, 463897), (49, 265084), (98, 132542), (196, 66271)]