28711963

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6521}}^1$

素因数の和:6582

約数の個数: 16

約数和(自身を含む): 35688384

約数和(自身を除く): 6976421

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 6521, 45647, 110857, 241277, 775999, 1688939, 4101709, 28711963]

約数ペア:

[(1, 28711963), (7, 4101709), (17, 1688939), (37, 775999), (119, 241277), (259, 110857), (629, 45647), (4403, 6521)]