256956194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{315671}}^1$

素因数の和:315721

約数の個数: 16

約数和(自身を含む): 431839296

約数和(自身を除く): 174883102

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 315671, 631342, 3472381, 6944762, 11679827, 23359654, 128478097, 256956194]

約数ペア:

[(1, 256956194), (2, 128478097), (11, 23359654), (22, 11679827), (37, 6944762), (74, 3472381), (407, 631342), (814, 315671)]