28378504

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2003}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 69258240

約数和(自身を除く): 40879736

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 2003, 2024, 3542, 4006, 7084, 8012, 14021, 14168, 16024, 22033, 28042, 44066, 46069, 56084, 88132, 92138, 112168, 154231, 176264, 184276, 308462, 322483, 368552, 506759, 616924, 644966, 1013518, 1233848, 1289932, 2027036, 2579864, 3547313, 4054072, 7094626, 14189252, 28378504]

約数ペア:

[(1, 28378504), (2, 14189252), (4, 7094626), (7, 4054072), (8, 3547313), (11, 2579864), (14, 2027036), (22, 1289932), (23, 1233848), (28, 1013518), (44, 644966), (46, 616924), (56, 506759), (77, 368552), (88, 322483), (92, 308462), (154, 184276), (161, 176264), (184, 154231), (253, 112168), (308, 92138), (322, 88132), (506, 56084), (616, 46069), (644, 44066), (1012, 28042), (1288, 22033), (1771, 16024), (2003, 14168), (2024, 14021), (3542, 8012), (4006, 7084)]