397717318

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1\times {\mathrm{1051}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 599892480

約数和(自身を除く): 202175162

約数列:

[1, 2, 431, 439, 862, 878, 1051, 2102, 189209, 378418, 452981, 461389, 905962, 922778, 198858659, 397717318]

約数ペア:

[(1, 397717318), (2, 198858659), (431, 922778), (439, 905962), (862, 461389), (878, 452981), (1051, 378418), (2102, 189209)]