31894261

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 41361408

約数和(自身を除く): 9467147

約数列:

[1, 7, 17, 23, 43, 119, 161, 271, 301, 391, 731, 989, 1897, 2737, 4607, 5117, 6233, 6923, 11653, 16813, 32249, 43631, 81571, 105961, 117691, 198101, 268019, 741727, 1386707, 1876133, 4556323, 31894261]

約数ペア:

[(1, 31894261), (7, 4556323), (17, 1876133), (23, 1386707), (43, 741727), (119, 268019), (161, 198101), (271, 117691), (301, 105961), (391, 81571), (731, 43631), (989, 32249), (1897, 16813), (2737, 11653), (4607, 6923), (5117, 6233)]