28347088

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 73789920

約数和(自身を除く): 45442832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 173, 176, 196, 209, 266, 304, 308, 346, 392, 418, 532, 539, 616, 692, 784, 836, 931, 1064, 1078, 1211, 1232, 1384, 1463, 1672, 1862, 1903, 2128, 2156, 2422, 2768, 2926, 3287, 3344, 3724, 3806, 4312, 4844, 5852, 6574, 7448, 7612, 8477, 8624, 9688, 10241, 11704, 13148, 13321, 14896, 15224, 16954, 19376, 20482, 23009, 23408, 26296, 26642, 30448, 33908, 36157, 40964, 46018, 52592, 53284, 67816, 72314, 81928, 92036, 93247, 106568, 135632, 144628, 161063, 163856, 184072, 186494, 213136, 253099, 289256, 322126, 368144, 372988, 506198, 578512, 644252, 745976, 1012396, 1288504, 1491952, 1771693, 2024792, 2577008, 3543386, 4049584, 7086772, 14173544, 28347088]

約数ペア:

[(1, 28347088), (2, 14173544), (4, 7086772), (7, 4049584), (8, 3543386), (11, 2577008), (14, 2024792), (16, 1771693), (19, 1491952), (22, 1288504), (28, 1012396), (38, 745976), (44, 644252), (49, 578512), (56, 506198), (76, 372988), (77, 368144), (88, 322126), (98, 289256), (112, 253099), (133, 213136), (152, 186494), (154, 184072), (173, 163856), (176, 161063), (196, 144628), (209, 135632), (266, 106568), (304, 93247), (308, 92036), (346, 81928), (392, 72314), (418, 67816), (532, 53284), (539, 52592), (616, 46018), (692, 40964), (784, 36157), (836, 33908), (931, 30448), (1064, 26642), (1078, 26296), (1211, 23408), (1232, 23009), (1384, 20482), (1463, 19376), (1672, 16954), (1862, 15224), (1903, 14896), (2128, 13321), (2156, 13148), (2422, 11704), (2768, 10241), (2926, 9688), (3287, 8624), (3344, 8477), (3724, 7612), (3806, 7448), (4312, 6574), (4844, 5852)]