28125784

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{81761}}^1$

素因数の和:81810

約数の個数: 16

約数和(自身を含む): 53962920

約数和(自身を除く): 25837136

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 81761, 163522, 327044, 654088, 3515723, 7031446, 14062892, 28125784]

約数ペア:

[(1, 28125784), (2, 14062892), (4, 7031446), (8, 3515723), (43, 654088), (86, 327044), (172, 163522), (344, 81761)]