128548868

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{33029}}^1$

素因数の和:33179

約数の個数: 24

約数和(自身を含む): 258955200

約数和(自身を除く): 130406332

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 33029, 66058, 132116, 231203, 462406, 924812, 4591031, 9182062, 18364124, 32137217, 64274434, 128548868]

約数ペア:

[(1, 128548868), (2, 64274434), (4, 32137217), (7, 18364124), (14, 9182062), (28, 4591031), (139, 924812), (278, 462406), (556, 231203), (973, 132116), (1946, 66058), (3892, 33029)]