28455516

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{7121}}^1$

素因数の和:7171

約数の個数: 48

約数和(自身を含む): 75778080

約数和(自身を除く): 47322564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 7121, 14242, 21363, 28484, 42726, 64089, 85452, 128178, 192267, 256356, 263477, 384534, 526954, 769068, 790431, 1053908, 1580862, 2371293, 3161724, 4742586, 7113879, 9485172, 14227758, 28455516]

約数ペア:

[(1, 28455516), (2, 14227758), (3, 9485172), (4, 7113879), (6, 4742586), (9, 3161724), (12, 2371293), (18, 1580862), (27, 1053908), (36, 790431), (37, 769068), (54, 526954), (74, 384534), (108, 263477), (111, 256356), (148, 192267), (222, 128178), (333, 85452), (444, 64089), (666, 42726), (999, 28484), (1332, 21363), (1998, 14242), (3996, 7121)]