257942006

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{259499}}^1$

素因数の和:259579

約数の個数: 16

約数和(自身を含む): 448416000

約数和(自身を除く): 190473994

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 259499, 518998, 1816493, 3632986, 18424429, 36848858, 128971003, 257942006]

約数ペア:

[(1, 257942006), (2, 128971003), (7, 36848858), (14, 18424429), (71, 3632986), (142, 1816493), (497, 518998), (994, 259499)]