28407564

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{7109}}^1$

素因数の和:7159

約数の個数: 48

約数和(自身を含む): 75650400

約数和(自身を除く): 47242836

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, 7109, 14218, 21327, 28436, 42654, 63981, 85308, 127962, 191943, 255924, 263033, 383886, 526066, 767772, 789099, 1052132, 1578198, 2367297, 3156396, 4734594, 7101891, 9469188, 14203782, 28407564]

約数ペア:

[(1, 28407564), (2, 14203782), (3, 9469188), (4, 7101891), (6, 4734594), (9, 3156396), (12, 2367297), (18, 1578198), (27, 1052132), (36, 789099), (37, 767772), (54, 526066), (74, 383886), (108, 263033), (111, 255924), (148, 191943), (222, 127962), (333, 85308), (444, 63981), (666, 42654), (999, 28436), (1332, 21327), (1998, 14218), (3996, 7109)]