221004784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13799}}^1$

素因数の和:13838

約数の個数: 80

約数和(自身を含む): 574963200

約数和(自身を除く): 353958416

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 13799, 16016, 27598, 55196, 96593, 110392, 151789, 179387, 193186, 220784, 303578, 358774, 386372, 607156, 717548, 772744, 1062523, 1214312, 1255709, 1435096, 1545488, 1973257, 2125046, 2428624, 2511418, 2870192, 3946514, 4250092, 5022836, 7893028, 8500184, 10045672, 13812799, 15786056, 17000368, 20091344, 27625598, 31572112, 55251196, 110502392, 221004784]

約数ペア:

[(1, 221004784), (2, 110502392), (4, 55251196), (7, 31572112), (8, 27625598), (11, 20091344), (13, 17000368), (14, 15786056), (16, 13812799), (22, 10045672), (26, 8500184), (28, 7893028), (44, 5022836), (52, 4250092), (56, 3946514), (77, 2870192), (88, 2511418), (91, 2428624), (104, 2125046), (112, 1973257), (143, 1545488), (154, 1435096), (176, 1255709), (182, 1214312), (208, 1062523), (286, 772744), (308, 717548), (364, 607156), (572, 386372), (616, 358774), (728, 303578), (1001, 220784), (1144, 193186), (1232, 179387), (1456, 151789), (2002, 110392), (2288, 96593), (4004, 55196), (8008, 27598), (13799, 16016)]