19844436689

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 26001014784

約数和(自身を除く): 6156578095

約数列:

[1, 7, 11, 31, 77, 121, 127, 217, 341, 541, 847, 889, 1331, 1397, 2387, 3751, 3787, 3937, 5951, 9317, 9779, 15367, 16771, 26257, 27559, 41261, 41657, 43307, 65461, 68707, 107569, 117397, 169037, 184481, 288827, 303149, 458227, 476377, 480949, 720071, 755777, 1183259, 1291367, 2029291, 2129917, 3334639, 5040497, 5240147, 5290439, 8313547, 14205037, 14909419, 22322201, 23429087, 36681029, 58194829, 91449017, 156255407, 164003609, 257719957, 640143119, 1804039699, 2834919527, 19844436689]

約数ペア:

[(1, 19844436689), (7, 2834919527), (11, 1804039699), (31, 640143119), (77, 257719957), (121, 164003609), (127, 156255407), (217, 91449017), (341, 58194829), (541, 36681029), (847, 23429087), (889, 22322201), (1331, 14909419), (1397, 14205037), (2387, 8313547), (3751, 5290439), (3787, 5240147), (3937, 5040497), (5951, 3334639), (9317, 2129917), (9779, 2029291), (15367, 1291367), (16771, 1183259), (26257, 755777), (27559, 720071), (41261, 480949), (41657, 476377), (43307, 458227), (65461, 303149), (68707, 288827), (107569, 184481), (117397, 169037)]