81163390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{105407}}^1$

素因数の和:105432

約数の個数: 32

約数和(自身を含む): 182145024

約数和(自身を除く): 100981634

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 105407, 210814, 527035, 737849, 1054070, 1159477, 1475698, 2318954, 3689245, 5797385, 7378490, 8116339, 11594770, 16232678, 40581695, 81163390]

約数ペア:

[(1, 81163390), (2, 40581695), (5, 16232678), (7, 11594770), (10, 8116339), (11, 7378490), (14, 5797385), (22, 3689245), (35, 2318954), (55, 1475698), (70, 1159477), (77, 1054070), (110, 737849), (154, 527035), (385, 210814), (770, 105407)]