12786245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 16038000

約数和(自身を除く): 3251755

約数列:

[1, 5, 29, 109, 145, 545, 809, 3161, 4045, 15805, 23461, 88181, 117305, 440905, 2557249, 12786245]

約数ペア:

[(1, 12786245), (5, 2557249), (29, 440905), (109, 117305), (145, 88181), (545, 23461), (809, 15805), (3161, 4045)]