28156780795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{2129}}^1$

素因数の和:2560

約数の個数: 64

約数和(自身を含む): 40579056000

約数和(自身を除く): 12422275205

約数列:

[1, 5, 11, 13, 53, 55, 65, 143, 265, 349, 583, 689, 715, 1745, 2129, 2915, 3445, 3839, 4537, 7579, 10645, 18497, 19195, 22685, 23419, 27677, 37895, 49907, 92485, 112837, 117095, 138385, 203467, 240461, 249535, 304447, 564185, 743021, 1017335, 1202305, 1241207, 1466881, 1522235, 2645071, 3715105, 6206035, 7334405, 8173231, 9659273, 13225355, 16135691, 39380113, 40866155, 48296365, 80678455, 106252003, 196900565, 433181243, 511941469, 531260015, 2165906215, 2559707345, 5631356159, 28156780795]

約数ペア:

[(1, 28156780795), (5, 5631356159), (11, 2559707345), (13, 2165906215), (53, 531260015), (55, 511941469), (65, 433181243), (143, 196900565), (265, 106252003), (349, 80678455), (583, 48296365), (689, 40866155), (715, 39380113), (1745, 16135691), (2129, 13225355), (2915, 9659273), (3445, 8173231), (3839, 7334405), (4537, 6206035), (7579, 3715105), (10645, 2645071), (18497, 1522235), (19195, 1466881), (22685, 1241207), (23419, 1202305), (27677, 1017335), (37895, 743021), (49907, 564185), (92485, 304447), (112837, 249535), (117095, 240461), (138385, 203467)]