289052665

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 401119488

約数和(自身を除く): 112066823

約数列:

[1, 5, 11, 41, 43, 55, 121, 205, 215, 271, 451, 473, 605, 1355, 1763, 2255, 2365, 2981, 4961, 5203, 8815, 11111, 11653, 14905, 19393, 24805, 26015, 32791, 55555, 58265, 96965, 122221, 128183, 163955, 213323, 477773, 611105, 640915, 1066615, 1344431, 1410013, 2388865, 5255503, 6722155, 7050065, 26277515, 57810533, 289052665]

約数ペア:

[(1, 289052665), (5, 57810533), (11, 26277515), (41, 7050065), (43, 6722155), (55, 5255503), (121, 2388865), (205, 1410013), (215, 1344431), (271, 1066615), (451, 640915), (473, 611105), (605, 477773), (1355, 213323), (1763, 163955), (2255, 128183), (2365, 122221), (2981, 96965), (4961, 58265), (5203, 55555), (8815, 32791), (11111, 26015), (11653, 24805), (14905, 19393)]