31078957

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 10208723

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 299, 403, 479, 713, 2093, 2821, 3353, 4991, 6227, 9269, 11017, 14849, 43589, 64883, 77119, 103943, 143221, 193037, 341527, 1002547, 1351259, 2390689, 4439851, 31078957]

約数ペア:

[(1, 31078957), (7, 4439851), (13, 2390689), (23, 1351259), (31, 1002547), (91, 341527), (161, 193037), (217, 143221), (299, 103943), (403, 77119), (479, 64883), (713, 43589), (2093, 14849), (2821, 11017), (3353, 9269), (4991, 6227)]