15721468

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1279}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 31539200

約数和(自身を除く): 15817732

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1279, 1756, 2558, 3073, 5116, 6146, 8953, 12292, 17906, 35812, 561481, 1122962, 2245924, 3930367, 7860734, 15721468]

約数ペア:

[(1, 15721468), (2, 7860734), (4, 3930367), (7, 2245924), (14, 1122962), (28, 561481), (439, 35812), (878, 17906), (1279, 12292), (1756, 8953), (2558, 6146), (3073, 5116)]