12988255

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 19160064

約数和(自身を除く): 6171809

約数列:

[1, 5, 7, 17, 35, 83, 85, 119, 263, 415, 581, 595, 1315, 1411, 1841, 2905, 4471, 7055, 9205, 9877, 21829, 22355, 31297, 49385, 109145, 152803, 156485, 371093, 764015, 1855465, 2597651, 12988255]

約数ペア:

[(1, 12988255), (5, 2597651), (7, 1855465), (17, 764015), (35, 371093), (83, 156485), (85, 152803), (119, 109145), (263, 49385), (415, 31297), (581, 22355), (595, 21829), (1315, 9877), (1411, 9205), (1841, 7055), (2905, 4471)]