12915728

素因数分解:

$2^4\times 7^1\times {\mathrm{115319}}^1$

素因数の和:115334

約数の個数: 20

約数和(自身を含む): 28599360

約数和(自身を除く): 15683632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115319, 230638, 461276, 807233, 922552, 1614466, 1845104, 3228932, 6457864, 12915728]

約数ペア:

[(1, 12915728), (2, 6457864), (4, 3228932), (7, 1845104), (8, 1614466), (14, 922552), (16, 807233), (28, 461276), (56, 230638), (112, 115319)]