257370922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{398407}}^1$

素因数の和:398445

約数の個数: 16

約数和(自身を含む): 430280640

約数和(自身を除く): 172909718

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 398407, 796814, 6772919, 7569733, 13545838, 15139466, 128685461, 257370922]

約数ペア:

[(1, 257370922), (2, 128685461), (17, 15139466), (19, 13545838), (34, 7569733), (38, 6772919), (323, 796814), (646, 398407)]