1242839689

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 1685473920

約数和(自身を除く): 442634231

約数列:

[1, 7, 13, 17, 29, 91, 119, 169, 203, 221, 377, 493, 1183, 1547, 2131, 2639, 2873, 3451, 4901, 6409, 14917, 20111, 27703, 34307, 36227, 44863, 61799, 83317, 193921, 253589, 360139, 432593, 470951, 583219, 803387, 1050583, 2520973, 3296657, 5623709, 6122363, 7354081, 10444031, 13657579, 42856541, 73108217, 95603053, 177548527, 1242839689]

約数ペア:

[(1, 1242839689), (7, 177548527), (13, 95603053), (17, 73108217), (29, 42856541), (91, 13657579), (119, 10444031), (169, 7354081), (203, 6122363), (221, 5623709), (377, 3296657), (493, 2520973), (1183, 1050583), (1547, 803387), (2131, 583219), (2639, 470951), (2873, 432593), (3451, 360139), (4901, 253589), (6409, 193921), (14917, 83317), (20111, 61799), (27703, 44863), (34307, 36227)]