256272794

素因数分解:

$2^1\times {\mathrm{349}}^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1565

約数の個数: 16

約数和(自身を含む): 386786400

約数和(自身を除く): 130513606

約数列:

[1, 2, 349, 571, 643, 698, 1142, 1286, 199279, 224407, 367153, 398558, 448814, 734306, 128136397, 256272794]

約数ペア:

[(1, 256272794), (2, 128136397), (349, 734306), (571, 448814), (643, 398558), (698, 367153), (1142, 224407), (1286, 199279)]