81569488

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 214264064

約数和(自身を除く): 132694576

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 121, 143, 154, 176, 182, 208, 242, 286, 308, 364, 463, 484, 572, 616, 728, 847, 926, 968, 1001, 1144, 1232, 1456, 1573, 1694, 1852, 1936, 2002, 2288, 3146, 3241, 3388, 3704, 4004, 5093, 6019, 6292, 6482, 6776, 7408, 8008, 10186, 11011, 12038, 12584, 12964, 13552, 16016, 20372, 22022, 24076, 25168, 25928, 35651, 40744, 42133, 44044, 48152, 51856, 56023, 66209, 71302, 81488, 84266, 88088, 96304, 112046, 132418, 142604, 168532, 176176, 224092, 264836, 285208, 337064, 392161, 448184, 463463, 529672, 570416, 674128, 728299, 784322, 896368, 926926, 1059344, 1456598, 1568644, 1853852, 2913196, 3137288, 3707704, 5098093, 5826392, 6274576, 7415408, 10196186, 11652784, 20392372, 40784744, 81569488]

約数ペア:

[(1, 81569488), (2, 40784744), (4, 20392372), (7, 11652784), (8, 10196186), (11, 7415408), (13, 6274576), (14, 5826392), (16, 5098093), (22, 3707704), (26, 3137288), (28, 2913196), (44, 1853852), (52, 1568644), (56, 1456598), (77, 1059344), (88, 926926), (91, 896368), (104, 784322), (112, 728299), (121, 674128), (143, 570416), (154, 529672), (176, 463463), (182, 448184), (208, 392161), (242, 337064), (286, 285208), (308, 264836), (364, 224092), (463, 176176), (484, 168532), (572, 142604), (616, 132418), (728, 112046), (847, 96304), (926, 88088), (968, 84266), (1001, 81488), (1144, 71302), (1232, 66209), (1456, 56023), (1573, 51856), (1694, 48152), (1852, 44044), (1936, 42133), (2002, 40744), (2288, 35651), (3146, 25928), (3241, 25168), (3388, 24076), (3704, 22022), (4004, 20372), (5093, 16016), (6019, 13552), (6292, 12964), (6482, 12584), (6776, 12038), (7408, 11011), (8008, 10186)]