25219979536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113489}}^1$

素因数の和:113576

約数の個数: 80

約数和(自身を含む): 55728129600

約数和(自身を除く): 30508150064

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 272, 304, 323, 344, 646, 688, 731, 817, 1292, 1462, 1634, 2584, 2924, 3268, 5168, 5848, 6536, 11696, 13072, 13889, 27778, 55556, 111112, 113489, 222224, 226978, 453956, 907912, 1815824, 1929313, 2156291, 3858626, 4312582, 4880027, 7717252, 8625164, 9760054, 15434504, 17250328, 19520108, 30869008, 34500656, 36656947, 39040216, 73313894, 78080432, 82960459, 92720513, 146627788, 165920918, 185441026, 293255576, 331841836, 370882052, 586511152, 663683672, 741764104, 1327367344, 1483528208, 1576248721, 3152497442, 6304994884, 12609989768, 25219979536]

約数ペア:

[(1, 25219979536), (2, 12609989768), (4, 6304994884), (8, 3152497442), (16, 1576248721), (17, 1483528208), (19, 1327367344), (34, 741764104), (38, 663683672), (43, 586511152), (68, 370882052), (76, 331841836), (86, 293255576), (136, 185441026), (152, 165920918), (172, 146627788), (272, 92720513), (304, 82960459), (323, 78080432), (344, 73313894), (646, 39040216), (688, 36656947), (731, 34500656), (817, 30869008), (1292, 19520108), (1462, 17250328), (1634, 15434504), (2584, 9760054), (2924, 8625164), (3268, 7717252), (5168, 4880027), (5848, 4312582), (6536, 3858626), (11696, 2156291), (13072, 1929313), (13889, 1815824), (27778, 907912), (55556, 453956), (111112, 226978), (113489, 222224)]