28721196

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37991}}^1$

素因数の和:38011

約数の個数: 48

約数和(自身を含む): 85102080

約数和(自身を除く): 56380884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 37991, 75982, 113973, 151964, 227946, 265937, 341919, 455892, 531874, 683838, 797811, 1025757, 1063748, 1367676, 1595622, 2051514, 2393433, 3191244, 4103028, 4786866, 7180299, 9573732, 14360598, 28721196]

約数ペア:

[(1, 28721196), (2, 14360598), (3, 9573732), (4, 7180299), (6, 4786866), (7, 4103028), (9, 3191244), (12, 2393433), (14, 2051514), (18, 1595622), (21, 1367676), (27, 1063748), (28, 1025757), (36, 797811), (42, 683838), (54, 531874), (63, 455892), (84, 341919), (108, 265937), (126, 227946), (189, 151964), (252, 113973), (378, 75982), (756, 37991)]