28042321

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 30046720

約数和(自身を除く): 2004399

約数列:

[1, 31, 43, 109, 193, 1333, 3379, 4687, 5983, 8299, 21037, 145297, 257269, 652147, 904591, 28042321]

約数ペア:

[(1, 28042321), (31, 904591), (43, 652147), (109, 257269), (193, 145297), (1333, 21037), (3379, 8299), (4687, 5983)]