25578319

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 30436560

約数和(自身を除く): 4858241

約数列:

[1, 13, 17, 29, 169, 221, 307, 377, 493, 2873, 3991, 4901, 5219, 6409, 8903, 51883, 67847, 83317, 115739, 151351, 882011, 1504607, 1967563, 25578319]

約数ペア:

[(1, 25578319), (13, 1967563), (17, 1504607), (29, 882011), (169, 151351), (221, 115739), (307, 83317), (377, 67847), (493, 51883), (2873, 8903), (3991, 6409), (4901, 5219)]