71239280128

素因数分解:

$2^9\times {\mathrm{139139219}}^1$

素因数の和:139139237

約数の個数: 20

約数和(自身を含む): 142339422060

約数和(自身を除く): 71100141932

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 139139219, 278278438, 556556876, 1113113752, 2226227504, 4452455008, 8904910016, 17809820032, 35619640064, 71239280128]

約数ペア:

[(1, 71239280128), (2, 35619640064), (4, 17809820032), (8, 8904910016), (16, 4452455008), (32, 2226227504), (64, 1113113752), (128, 556556876), (256, 278278438), (512, 139139219)]