315256144

素因数分解:

$2^4\times 7^1\times {\mathrm{2814787}}^1$

素因数の和:2814802

約数の個数: 20

約数和(自身を含む): 698067424

約数和(自身を除く): 382811280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2814787, 5629574, 11259148, 19703509, 22518296, 39407018, 45036592, 78814036, 157628072, 315256144]

約数ペア:

[(1, 315256144), (2, 157628072), (4, 78814036), (7, 45036592), (8, 39407018), (14, 22518296), (16, 19703509), (28, 11259148), (56, 5629574), (112, 2814787)]