28402283

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16427}}^1$

素因数の和:16466

約数の個数: 16

約数和(自身を含む): 36798720

約数和(自身を除く): 8396437

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16427, 114989, 213551, 312113, 1494857, 2184791, 4057469, 28402283]

約数ペア:

[(1, 28402283), (7, 4057469), (13, 2184791), (19, 1494857), (91, 312113), (133, 213551), (247, 114989), (1729, 16427)]