28891638736

素因数分解:

$2^4\times {\mathrm{1451}}^1\times {\mathrm{1244471}}^1$

素因数の和:1245930

約数の個数: 20

約数和(自身を含む): 56016173664

約数和(自身を除く): 27124534928

約数列:

[1, 2, 4, 8, 16, 1451, 2902, 5804, 11608, 23216, 1244471, 2488942, 4977884, 9955768, 19911536, 1805727421, 3611454842, 7222909684, 14445819368, 28891638736]

約数ペア:

[(1, 28891638736), (2, 14445819368), (4, 7222909684), (8, 3611454842), (16, 1805727421), (1451, 19911536), (2902, 9955768), (5804, 4977884), (11608, 2488942), (23216, 1244471)]