66789142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251087}}^1$

素因数の和:251115

約数の個数: 16

約数和(自身を含む): 120522240

約数和(自身を除く): 53733098

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 251087, 502174, 1757609, 3515218, 4770653, 9541306, 33394571, 66789142]

約数ペア:

[(1, 66789142), (2, 33394571), (7, 9541306), (14, 4770653), (19, 3515218), (38, 1757609), (133, 502174), (266, 251087)]