208642895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{20149}}^1$

素因数の和:20282

約数の個数: 16

約数和(自身を含む): 265980000

約数和(自身を除く): 57337105

約数列:

[1, 5, 19, 95, 109, 545, 2071, 10355, 20149, 100745, 382831, 1914155, 2196241, 10981205, 41728579, 208642895]

約数ペア:

[(1, 208642895), (5, 41728579), (19, 10981205), (95, 2196241), (109, 1914155), (545, 382831), (2071, 100745), (10355, 20149)]