217522068

素因数分解:

$2^2\times 3^1\times {\mathrm{641}}^1\times {\mathrm{28279}}^1$

素因数の和:28927

約数の個数: 24

約数和(自身を含む): 508361280

約数和(自身を除く): 290839212

約数列:

[1, 2, 3, 4, 6, 12, 641, 1282, 1923, 2564, 3846, 7692, 28279, 56558, 84837, 113116, 169674, 339348, 18126839, 36253678, 54380517, 72507356, 108761034, 217522068]

約数ペア:

[(1, 217522068), (2, 108761034), (3, 72507356), (4, 54380517), (6, 36253678), (12, 18126839), (641, 339348), (1282, 169674), (1923, 113116), (2564, 84837), (3846, 56558), (7692, 28279)]