138304838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{519943}}^1$

素因数の和:519971

約数の個数: 16

約数和(自身を含む): 249573120

約数和(自身を除く): 111268282

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 519943, 1039886, 3639601, 7279202, 9878917, 19757834, 69152419, 138304838]

約数ペア:

[(1, 138304838), (2, 69152419), (7, 19757834), (14, 9878917), (19, 7279202), (38, 3639601), (133, 1039886), (266, 519943)]