638363976

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 1727692800

約数和(自身を除く): 1089328824

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 73, 76, 114, 127, 146, 151, 152, 219, 228, 254, 292, 302, 381, 438, 453, 456, 508, 584, 604, 762, 876, 906, 1016, 1208, 1387, 1524, 1752, 1812, 2413, 2774, 2869, 3048, 3624, 4161, 4826, 5548, 5738, 7239, 8322, 8607, 9271, 9652, 11023, 11096, 11476, 14478, 16644, 17214, 18542, 19177, 19304, 22046, 22952, 27813, 28956, 33069, 33288, 34428, 37084, 38354, 44092, 55626, 57531, 57912, 66138, 68856, 74168, 76708, 88184, 111252, 115062, 132276, 153416, 176149, 209437, 222504, 230124, 264552, 352298, 364363, 418874, 460248, 528447, 628311, 704596, 728726, 837748, 1056894, 1093089, 1256622, 1399921, 1409192, 1457452, 1675496, 2113788, 2186178, 2513244, 2799842, 2914904, 4199763, 4227576, 4372356, 5026488, 5599684, 8399526, 8744712, 11199368, 16799052, 26598499, 33598104, 53196998, 79795497, 106393996, 159590994, 212787992, 319181988, 638363976]

約数ペア:

[(1, 638363976), (2, 319181988), (3, 212787992), (4, 159590994), (6, 106393996), (8, 79795497), (12, 53196998), (19, 33598104), (24, 26598499), (38, 16799052), (57, 11199368), (73, 8744712), (76, 8399526), (114, 5599684), (127, 5026488), (146, 4372356), (151, 4227576), (152, 4199763), (219, 2914904), (228, 2799842), (254, 2513244), (292, 2186178), (302, 2113788), (381, 1675496), (438, 1457452), (453, 1409192), (456, 1399921), (508, 1256622), (584, 1093089), (604, 1056894), (762, 837748), (876, 728726), (906, 704596), (1016, 628311), (1208, 528447), (1387, 460248), (1524, 418874), (1752, 364363), (1812, 352298), (2413, 264552), (2774, 230124), (2869, 222504), (3048, 209437), (3624, 176149), (4161, 153416), (4826, 132276), (5548, 115062), (5738, 111252), (7239, 88184), (8322, 76708), (8607, 74168), (9271, 68856), (9652, 66138), (11023, 57912), (11096, 57531), (11476, 55626), (14478, 44092), (16644, 38354), (17214, 37084), (18542, 34428), (19177, 33288), (19304, 33069), (22046, 28956), (22952, 27813)]