4205659978

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{22259}}^1$

素因数の和:22343

約数の個数: 32

約数和(自身を含む): 6993201600

約数和(自身を除く): 2787541622

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 2197, 4394, 7267, 14534, 22259, 44518, 94471, 188942, 289367, 578734, 957137, 1914274, 3761771, 7523542, 12442781, 24885562, 48903023, 97806046, 161756153, 323512306, 2102829989, 4205659978]

約数ペア:

[(1, 4205659978), (2, 2102829989), (13, 323512306), (26, 161756153), (43, 97806046), (86, 48903023), (169, 24885562), (338, 12442781), (559, 7523542), (1118, 3761771), (2197, 1914274), (4394, 957137), (7267, 578734), (14534, 289367), (22259, 188942), (44518, 94471)]