78257212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{6563}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 149974272

約数和(自身を除く): 71717060

約数列:

[1, 2, 4, 11, 22, 44, 271, 542, 1084, 2981, 5962, 6563, 11924, 13126, 26252, 72193, 144386, 288772, 1778573, 3557146, 7114292, 19564303, 39128606, 78257212]

約数ペア:

[(1, 78257212), (2, 39128606), (4, 19564303), (11, 7114292), (22, 3557146), (44, 1778573), (271, 288772), (542, 144386), (1084, 72193), (2981, 26252), (5962, 13126), (6563, 11924)]