126687728

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{129803}}^1$

素因数の和:129872

約数の個数: 20

約数和(自身を含む): 249483288

約数和(自身を除く): 122795560

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 129803, 259606, 519212, 1038424, 2076848, 7917983, 15835966, 31671932, 63343864, 126687728]

約数ペア:

[(1, 126687728), (2, 63343864), (4, 31671932), (8, 15835966), (16, 7917983), (61, 2076848), (122, 1038424), (244, 519212), (488, 259606), (976, 129803)]