128774404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{41221}}^1$

素因数の和:41307

約数の個数: 24

約数和(自身を含む): 249310656

約数和(自身を除く): 120536252

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 41221, 82442, 164884, 453431, 906862, 1813724, 2926691, 5853382, 11706764, 32193601, 64387202, 128774404]

約数ペア:

[(1, 128774404), (2, 64387202), (4, 32193601), (11, 11706764), (22, 5853382), (44, 2926691), (71, 1813724), (142, 906862), (284, 453431), (781, 164884), (1562, 82442), (3124, 41221)]