989609905

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{16451}}^1$

素因数の和:16736

約数の個数: 16

約数和(自身を含む): 1215342144

約数和(自身を除く): 225732239

約数列:

[1, 5, 53, 227, 265, 1135, 12031, 16451, 60155, 82255, 871903, 3734377, 4359515, 18671885, 197921981, 989609905]

約数ペア:

[(1, 989609905), (5, 197921981), (53, 18671885), (227, 4359515), (265, 3734377), (1135, 871903), (12031, 82255), (16451, 60155)]