71716217

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 81048000

約数和(自身を除く): 9331783

約数列:

[1, 17, 29, 43, 199, 289, 493, 731, 1247, 3383, 5771, 8381, 8557, 12427, 21199, 57511, 98107, 145469, 248153, 360383, 1667819, 2472973, 4218601, 71716217]

約数ペア:

[(1, 71716217), (17, 4218601), (29, 2472973), (43, 1667819), (199, 360383), (289, 248153), (493, 145469), (731, 98107), (1247, 57511), (3383, 21199), (5771, 12427), (8381, 8557)]