257400498

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1865221}}^1$

素因数の和:1865249

約数の個数: 16

約数和(自身を含む): 537183936

約数和(自身を除く): 279783438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1865221, 3730442, 5595663, 11191326, 42900083, 85800166, 128700249, 257400498]

約数ペア:

[(1, 257400498), (2, 128700249), (3, 85800166), (6, 42900083), (23, 11191326), (46, 5595663), (69, 3730442), (138, 1865221)]