28172144

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1798

約数の個数: 80

約数和(自身を含む): 73328640

約数和(自身を除く): 45156496

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, 1759, 2002, 2288, 3518, 4004, 7036, 8008, 12313, 14072, 16016, 19349, 22867, 24626, 28144, 38698, 45734, 49252, 77396, 91468, 98504, 135443, 154792, 160069, 182936, 197008, 251537, 270886, 309584, 320138, 365872, 503074, 541772, 640276, 1006148, 1083544, 1280552, 1760759, 2012296, 2167088, 2561104, 3521518, 4024592, 7043036, 14086072, 28172144]

約数ペア:

[(1, 28172144), (2, 14086072), (4, 7043036), (7, 4024592), (8, 3521518), (11, 2561104), (13, 2167088), (14, 2012296), (16, 1760759), (22, 1280552), (26, 1083544), (28, 1006148), (44, 640276), (52, 541772), (56, 503074), (77, 365872), (88, 320138), (91, 309584), (104, 270886), (112, 251537), (143, 197008), (154, 182936), (176, 160069), (182, 154792), (208, 135443), (286, 98504), (308, 91468), (364, 77396), (572, 49252), (616, 45734), (728, 38698), (1001, 28144), (1144, 24626), (1232, 22867), (1456, 19349), (1759, 16016), (2002, 14072), (2288, 12313), (3518, 8008), (4004, 7036)]