131427248

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{115693}}^1$

素因数の和:115772

約数の個数: 20

約数和(自身を含む): 258229008

約数和(自身を除く): 126801760

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 115693, 231386, 462772, 925544, 1851088, 8214203, 16428406, 32856812, 65713624, 131427248]

約数ペア:

[(1, 131427248), (2, 65713624), (4, 32856812), (8, 16428406), (16, 8214203), (71, 1851088), (142, 925544), (284, 462772), (568, 231386), (1136, 115693)]