7768475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 11811744

約数和(自身を除く): 4043269

約数列:

[1, 5, 11, 13, 25, 41, 53, 55, 65, 143, 205, 265, 275, 325, 451, 533, 583, 689, 715, 1025, 1325, 2173, 2255, 2665, 2915, 3445, 3575, 5863, 7579, 10865, 11275, 13325, 14575, 17225, 23903, 28249, 29315, 37895, 54325, 119515, 141245, 146575, 189475, 310739, 597575, 706225, 1553695, 7768475]

約数ペア:

[(1, 7768475), (5, 1553695), (11, 706225), (13, 597575), (25, 310739), (41, 189475), (53, 146575), (55, 141245), (65, 119515), (143, 54325), (205, 37895), (265, 29315), (275, 28249), (325, 23903), (451, 17225), (533, 14575), (583, 13325), (689, 11275), (715, 10865), (1025, 7579), (1325, 5863), (2173, 3575), (2255, 3445), (2665, 2915)]