2078201008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{232357}}^1$

素因数の和:232421

約数の個数: 40

約数和(自身を含む): 4437108368

約数和(自身を除く): 2358907360

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 232357, 464714, 929428, 1858856, 3020641, 3717712, 6041282, 9991351, 12082564, 19982702, 24165128, 39965404, 48330256, 79930808, 129887563, 159861616, 259775126, 519550252, 1039100504, 2078201008]

約数ペア:

[(1, 2078201008), (2, 1039100504), (4, 519550252), (8, 259775126), (13, 159861616), (16, 129887563), (26, 79930808), (43, 48330256), (52, 39965404), (86, 24165128), (104, 19982702), (172, 12082564), (208, 9991351), (344, 6041282), (559, 3717712), (688, 3020641), (1118, 1858856), (2236, 929428), (4472, 464714), (8944, 232357)]