28787004

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1571}}^1$

素因数の和:2090

約数の個数: 36

約数和(自身を含む): 72956520

約数和(自身を除く): 44169516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1527, 1571, 2036, 3054, 3142, 4581, 4713, 6108, 6284, 9162, 9426, 14139, 18324, 18852, 28278, 56556, 799639, 1599278, 2398917, 3198556, 4797834, 7196751, 9595668, 14393502, 28787004]

約数ペア:

[(1, 28787004), (2, 14393502), (3, 9595668), (4, 7196751), (6, 4797834), (9, 3198556), (12, 2398917), (18, 1599278), (36, 799639), (509, 56556), (1018, 28278), (1527, 18852), (1571, 18324), (2036, 14139), (3054, 9426), (3142, 9162), (4581, 6284), (4713, 6108)]