199385711

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{17903}}^1$

素因数の和:17990

約数の個数: 16

約数和(自身を含む): 239483904

約数和(自身を除く): 40098193

約数列:

[1, 7, 37, 43, 259, 301, 1591, 11137, 17903, 125321, 662411, 769829, 4636877, 5388803, 28483673, 199385711]

約数ペア:

[(1, 199385711), (7, 28483673), (37, 5388803), (43, 4636877), (259, 769829), (301, 662411), (1591, 125321), (11137, 17903)]