199872508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{25097}}^1$

素因数の和:25293

約数の個数: 24

約数和(自身を含む): 383698224

約数和(自身を除く): 183825716

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 25097, 50194, 100388, 276067, 552134, 1104268, 4542557, 9085114, 18170228, 49968127, 99936254, 199872508]

約数ペア:

[(1, 199872508), (2, 99936254), (4, 49968127), (11, 18170228), (22, 9085114), (44, 4542557), (181, 1104268), (362, 552134), (724, 276067), (1991, 100388), (3982, 50194), (7964, 25097)]