200198999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199999}}^1$

素因数の和:200030

約数の個数: 16

約数和(自身を含む): 268800000

約数和(自身を除く): 68601001

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 199999, 1399993, 2199989, 2599987, 15399923, 18199909, 28599857, 200198999]

約数ペア:

[(1, 200198999), (7, 28599857), (11, 18199909), (13, 15399923), (77, 2599987), (91, 2199989), (143, 1399993), (1001, 199999)]