28542215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1303}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 37023168

約数和(自身を除く): 8480953

約数列:

[1, 5, 13, 65, 337, 1303, 1685, 4381, 6515, 16939, 21905, 84695, 439111, 2195555, 5708443, 28542215]

約数ペア:

[(1, 28542215), (5, 5708443), (13, 2195555), (65, 439111), (337, 84695), (1303, 21905), (1685, 16939), (4381, 6515)]