2991354128

素因数分解:

$2^4\times 7^1\times {\mathrm{26708519}}^1$

素因数の和:26708534

約数の個数: 20

約数和(自身を含む): 6623712960

約数和(自身を除く): 3632358832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 26708519, 53417038, 106834076, 186959633, 213668152, 373919266, 427336304, 747838532, 1495677064, 2991354128]

約数ペア:

[(1, 2991354128), (2, 1495677064), (4, 747838532), (7, 427336304), (8, 373919266), (14, 213668152), (16, 186959633), (28, 106834076), (56, 53417038), (112, 26708519)]