128517178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{198943}}^1$

素因数の和:198981

約数の個数: 16

約数和(自身を含む): 214859520

約数和(自身を除く): 86342342

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 198943, 397886, 3382031, 3779917, 6764062, 7559834, 64258589, 128517178]

約数ペア:

[(1, 128517178), (2, 64258589), (17, 7559834), (19, 6764062), (34, 3779917), (38, 3382031), (323, 397886), (646, 198943)]