217630284

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{27437}}^1$

素因数の和:28105

約数の個数: 24

約数和(自身を含む): 508590768

約数和(自身を除く): 290960484

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2644, 3966, 7932, 27437, 54874, 82311, 109748, 164622, 329244, 18135857, 36271714, 54407571, 72543428, 108815142, 217630284]

約数ペア:

[(1, 217630284), (2, 108815142), (3, 72543428), (4, 54407571), (6, 36271714), (12, 18135857), (661, 329244), (1322, 164622), (1983, 109748), (2644, 82311), (3966, 54874), (7932, 27437)]