290793776

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199721}}^1$

素因数の和:199749

約数の個数: 40

約数和(自身を含む): 693434784

約数和(自身を除く): 402641008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 199721, 399442, 798884, 1398047, 1597768, 2596373, 2796094, 3195536, 5192746, 5592188, 10385492, 11184376, 18174611, 20770984, 22368752, 36349222, 41541968, 72698444, 145396888, 290793776]

約数ペア:

[(1, 290793776), (2, 145396888), (4, 72698444), (7, 41541968), (8, 36349222), (13, 22368752), (14, 20770984), (16, 18174611), (26, 11184376), (28, 10385492), (52, 5592188), (56, 5192746), (91, 3195536), (104, 2796094), (112, 2596373), (182, 1597768), (208, 1398047), (364, 798884), (728, 399442), (1456, 199721)]