28277488

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 58531968

約数和(自身を除く): 30254480

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1787, 1978, 3574, 3956, 7148, 7912, 14296, 15824, 28592, 41101, 76841, 82202, 153682, 164404, 307364, 328808, 614728, 657616, 1229456, 1767343, 3534686, 7069372, 14138744, 28277488]

約数ペア:

[(1, 28277488), (2, 14138744), (4, 7069372), (8, 3534686), (16, 1767343), (23, 1229456), (43, 657616), (46, 614728), (86, 328808), (92, 307364), (172, 164404), (184, 153682), (344, 82202), (368, 76841), (688, 41101), (989, 28592), (1787, 15824), (1978, 14296), (3574, 7912), (3956, 7148)]