268408021

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 329091840

約数和(自身を除く): 60683819

約数列:

[1, 7, 29, 43, 97, 203, 301, 317, 679, 1247, 2219, 2813, 4171, 8729, 9193, 13631, 19691, 29197, 30749, 64351, 95417, 120959, 215243, 395299, 846713, 891721, 1322207, 2767093, 6242047, 9255449, 38344003, 268408021]

約数ペア:

[(1, 268408021), (7, 38344003), (29, 9255449), (43, 6242047), (97, 2767093), (203, 1322207), (301, 891721), (317, 846713), (679, 395299), (1247, 215243), (2219, 120959), (2813, 95417), (4171, 64351), (8729, 30749), (9193, 29197), (13631, 19691)]