390426197

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1\times {\mathrm{1301}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 457387392

約数和(自身を除く): 66961195

約数列:

[1, 7, 43, 301, 997, 1301, 6979, 9107, 42871, 55943, 300097, 391601, 1297097, 9079679, 55775171, 390426197]

約数ペア:

[(1, 390426197), (7, 55775171), (43, 9079679), (301, 1297097), (997, 391601), (1301, 300097), (6979, 55943), (9107, 42871)]