81504262

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{306407}}^1$

素因数の和:306435

約数の個数: 16

約数和(自身を含む): 147075840

約数和(自身を除く): 65571578

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 306407, 612814, 2144849, 4289698, 5821733, 11643466, 40752131, 81504262]

約数ペア:

[(1, 81504262), (2, 40752131), (7, 11643466), (14, 5821733), (19, 4289698), (38, 2144849), (133, 612814), (266, 306407)]