211676891428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{20693}}^1$

素因数の和:21148

約数の個数: 48

約数和(自身を含む): 379643846400

約数和(自身を除く): 167966954972

約数列:

[1, 2, 4, 71, 142, 181, 199, 284, 362, 398, 724, 796, 12851, 14129, 20693, 25702, 28258, 36019, 41386, 51404, 56516, 72038, 82772, 144076, 1469203, 2557349, 2938406, 3745433, 4117907, 5114698, 5876812, 7490866, 8235814, 10229396, 14981732, 16471628, 265925743, 292371397, 531851486, 584742794, 745341167, 1063702972, 1169485588, 1490682334, 2981364668, 52919222857, 105838445714, 211676891428]

約数ペア:

[(1, 211676891428), (2, 105838445714), (4, 52919222857), (71, 2981364668), (142, 1490682334), (181, 1169485588), (199, 1063702972), (284, 745341167), (362, 584742794), (398, 531851486), (724, 292371397), (796, 265925743), (12851, 16471628), (14129, 14981732), (20693, 10229396), (25702, 8235814), (28258, 7490866), (36019, 5876812), (41386, 5114698), (51404, 4117907), (56516, 3745433), (72038, 2938406), (82772, 2557349), (144076, 1469203)]