128665788

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{100207}}^1$

素因数の和:100321

約数の個数: 24

約数和(自身を含む): 303028992

約数和(自身を除く): 174363204

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 100207, 200414, 300621, 400828, 601242, 1202484, 10722149, 21444298, 32166447, 42888596, 64332894, 128665788]

約数ペア:

[(1, 128665788), (2, 64332894), (3, 42888596), (4, 32166447), (6, 21444298), (12, 10722149), (107, 1202484), (214, 601242), (321, 400828), (428, 300621), (642, 200414), (1284, 100207)]