256187414

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{28283}}^1$

素因数の和:28939

約数の個数: 16

約数和(自身を含む): 439872768

約数和(自身を除く): 183685354

約数列:

[1, 2, 7, 14, 647, 1294, 4529, 9058, 28283, 56566, 197981, 395962, 18299101, 36598202, 128093707, 256187414]

約数ペア:

[(1, 256187414), (2, 128093707), (7, 36598202), (14, 18299101), (647, 395962), (1294, 197981), (4529, 56566), (9058, 28283)]