16985172

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{32917}}^1$

素因数の和:32967

約数の個数: 24

約数和(自身を含む): 40554976

約数和(自身を除く): 23569804

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 32917, 65834, 98751, 131668, 197502, 395004, 1415431, 2830862, 4246293, 5661724, 8492586, 16985172]

約数ペア:

[(1, 16985172), (2, 8492586), (3, 5661724), (4, 4246293), (6, 2830862), (12, 1415431), (43, 395004), (86, 197502), (129, 131668), (172, 98751), (258, 65834), (516, 32917)]