28305712

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{24917}}^1$

素因数の和:24996

約数の個数: 20

約数和(自身を含む): 55616976

約数和(自身を除く): 27311264

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 24917, 49834, 99668, 199336, 398672, 1769107, 3538214, 7076428, 14152856, 28305712]

約数ペア:

[(1, 28305712), (2, 14152856), (4, 7076428), (8, 3538214), (16, 1769107), (71, 398672), (142, 199336), (284, 99668), (568, 49834), (1136, 24917)]