81638310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{593}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 211958208

約数和(自身を除く): 130319898

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 353, 390, 593, 706, 1059, 1186, 1765, 1779, 2118, 2965, 3530, 3558, 4589, 5295, 5930, 7709, 8895, 9178, 10590, 13767, 15418, 17790, 22945, 23127, 27534, 38545, 45890, 46254, 68835, 77090, 115635, 137670, 209329, 231270, 418658, 627987, 1046645, 1255974, 2093290, 2721277, 3139935, 5442554, 6279870, 8163831, 13606385, 16327662, 27212770, 40819155, 81638310]

約数ペア:

[(1, 81638310), (2, 40819155), (3, 27212770), (5, 16327662), (6, 13606385), (10, 8163831), (13, 6279870), (15, 5442554), (26, 3139935), (30, 2721277), (39, 2093290), (65, 1255974), (78, 1046645), (130, 627987), (195, 418658), (353, 231270), (390, 209329), (593, 137670), (706, 115635), (1059, 77090), (1186, 68835), (1765, 46254), (1779, 45890), (2118, 38545), (2965, 27534), (3530, 23127), (3558, 22945), (4589, 17790), (5295, 15418), (5930, 13767), (7709, 10590), (8895, 9178)]