81287504

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{11117}}^1$

素因数の和:11582

約数の個数: 20

約数和(自身を含む): 157853364

約数和(自身を除く): 76565860

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 3656, 7312, 11117, 22234, 44468, 88936, 177872, 5080469, 10160938, 20321876, 40643752, 81287504]

約数ペア:

[(1, 81287504), (2, 40643752), (4, 20321876), (8, 10160938), (16, 5080469), (457, 177872), (914, 88936), (1828, 44468), (3656, 22234), (7312, 11117)]