257521806

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{269939}}^1$

素因数の和:270000

約数の個数: 24

約数和(自身を含む): 568493640

約数和(自身を除く): 310971834

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 269939, 539878, 809817, 1619634, 2429451, 4858902, 14306767, 28613534, 42920301, 85840602, 128760903, 257521806]

約数ペア:

[(1, 257521806), (2, 128760903), (3, 85840602), (6, 42920301), (9, 28613534), (18, 14306767), (53, 4858902), (106, 2429451), (159, 1619634), (318, 809817), (477, 539878), (954, 269939)]