267998468

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{39857}}^1$

素因数の和:39943

約数の個数: 18

約数和(自身を含む): 480727338

約数和(自身を除く): 212728870

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 39857, 79714, 159428, 1634137, 3268274, 6536548, 66999617, 133999234, 267998468]

約数ペア:

[(1, 267998468), (2, 133999234), (4, 66999617), (41, 6536548), (82, 3268274), (164, 1634137), (1681, 159428), (3362, 79714), (6724, 39857)]