28168208

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21211}}^1$

素因数の和:21302

約数の個数: 20

約数和(自身を含む): 55236048

約数和(自身を除く): 27067840

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21211, 42422, 84844, 169688, 339376, 1760513, 3521026, 7042052, 14084104, 28168208]

約数ペア:

[(1, 28168208), (2, 14084104), (4, 7042052), (8, 3521026), (16, 1760513), (83, 339376), (166, 169688), (332, 84844), (664, 42422), (1328, 21211)]