198636985

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1\times {\mathrm{709}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 241030800

約数和(自身を除く): 42393815

約数列:

[1, 5, 137, 409, 685, 709, 2045, 3545, 56033, 97133, 280165, 289981, 485665, 1449905, 39727397, 198636985]

約数ペア:

[(1, 198636985), (5, 39727397), (137, 1449905), (409, 485665), (685, 289981), (709, 280165), (2045, 97133), (3545, 56033)]