28412657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16433}}^1$

素因数の和:16472

約数の個数: 16

約数和(自身を含む): 36812160

約数和(自身を除く): 8399503

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16433, 115031, 213629, 312227, 1495403, 2185589, 4058951, 28412657]

約数ペア:

[(1, 28412657), (7, 4058951), (13, 2185589), (19, 1495403), (91, 312227), (133, 213629), (247, 115031), (1729, 16433)]