198703670405

素因数分解:

$5^1\times {\mathrm{409}}^1\times {\mathrm{17231}}^1\times {\mathrm{5639}}^1$

素因数の和:23284

約数の個数: 16

約数和(自身を含む): 239083660800

約数和(自身を除く): 40379990395

約数列:

[1, 5, 409, 2045, 5639, 17231, 28195, 86155, 2306351, 7047479, 11531755, 35237395, 97165609, 485828045, 39740734081, 198703670405]

約数ペア:

[(1, 198703670405), (5, 39740734081), (409, 485828045), (2045, 97165609), (5639, 35237395), (17231, 11531755), (28195, 7047479), (86155, 2306351)]