990049588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2045557}}^1$

素因数の和:2045583

約数の個数: 18

約数和(自身を含む): 1904414498

約数和(自身を除く): 914364910

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2045557, 4091114, 8182228, 22501127, 45002254, 90004508, 247512397, 495024794, 990049588]

約数ペア:

[(1, 990049588), (2, 495024794), (4, 247512397), (11, 90004508), (22, 45002254), (44, 22501127), (121, 8182228), (242, 4091114), (484, 2045557)]