128240874

素因数分解:

$2^1\times 3^3\times {\mathrm{2374831}}^1$

素因数の和:2374842

約数の個数: 16

約数和(自身を含む): 284979840

約数和(自身を除く): 156738966

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2374831, 4749662, 7124493, 14248986, 21373479, 42746958, 64120437, 128240874]

約数ペア:

[(1, 128240874), (2, 64120437), (3, 42746958), (6, 21373479), (9, 14248986), (18, 7124493), (27, 4749662), (54, 2374831)]