81724424

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{237571}}^1$

素因数の和:237620

約数の個数: 16

約数和(自身を含む): 156797520

約数和(自身を除く): 75073096

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 237571, 475142, 950284, 1900568, 10215553, 20431106, 40862212, 81724424]

約数ペア:

[(1, 81724424), (2, 40862212), (4, 20431106), (8, 10215553), (43, 1900568), (86, 950284), (172, 475142), (344, 237571)]