66878072

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{194413}}^1$

素因数の和:194462

約数の個数: 16

約数和(自身を含む): 128313240

約数和(自身を除く): 61435168

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 194413, 388826, 777652, 1555304, 8359759, 16719518, 33439036, 66878072]

約数ペア:

[(1, 66878072), (2, 33439036), (4, 16719518), (8, 8359759), (43, 1555304), (86, 777652), (172, 388826), (344, 194413)]