208077155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1249}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 294840000

約数和(自身を除く): 86762845

約数列:

[1, 5, 11, 13, 55, 65, 143, 233, 715, 1165, 1249, 2563, 3029, 6245, 12815, 13739, 15145, 16237, 33319, 68695, 81185, 166595, 178607, 291017, 893035, 1455085, 3201187, 3783221, 16005935, 18916105, 41615431, 208077155]

約数ペア:

[(1, 208077155), (5, 41615431), (11, 18916105), (13, 16005935), (55, 3783221), (65, 3201187), (143, 1455085), (233, 893035), (715, 291017), (1165, 178607), (1249, 166595), (2563, 81185), (3029, 68695), (6245, 33319), (12815, 16237), (13739, 15145)]