257956454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{801107}}^1$

素因数の和:801139

約数の個数: 16

約数和(自身を含む): 461438208

約数和(自身を除く): 203481754

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 801107, 1602214, 5607749, 11215498, 18425461, 36850922, 128978227, 257956454]

約数ペア:

[(1, 257956454), (2, 128978227), (7, 36850922), (14, 18425461), (23, 11215498), (46, 5607749), (161, 1602214), (322, 801107)]