1919915723089

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{10781}}^1\times {\mathrm{5807}}^1$

素因数の和:16945

約数の個数: 32

約数和(自身を含む): 2370612980736

約数和(自身を除く): 450697257647

約数列:

[1, 7, 13, 91, 337, 2359, 4381, 5807, 10781, 30667, 40649, 75467, 75491, 140153, 528437, 981071, 1956959, 3633197, 13698713, 25432379, 25440467, 47231561, 62605267, 178083269, 330620927, 438236869, 813868471, 5697079297, 21097974979, 147685824853, 274273674727, 1919915723089]

約数ペア:

[(1, 1919915723089), (7, 274273674727), (13, 147685824853), (91, 21097974979), (337, 5697079297), (2359, 813868471), (4381, 438236869), (5807, 330620927), (10781, 178083269), (30667, 62605267), (40649, 47231561), (75467, 25440467), (75491, 25432379), (140153, 13698713), (528437, 3633197), (981071, 1956959)]