25137784

素因数分解:

$2^3\times 7^3\times {\mathrm{9161}}^1$

素因数の和:9188

約数の個数: 32

約数和(自身を含む): 54972000

約数和(自身を除く): 29834216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 9161, 18322, 36644, 64127, 73288, 128254, 256508, 448889, 513016, 897778, 1795556, 3142223, 3591112, 6284446, 12568892, 25137784]

約数ペア:

[(1, 25137784), (2, 12568892), (4, 6284446), (7, 3591112), (8, 3142223), (14, 1795556), (28, 897778), (49, 513016), (56, 448889), (98, 256508), (196, 128254), (343, 73288), (392, 64127), (686, 36644), (1372, 18322), (2744, 9161)]