278522208

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 821542176

約数和(自身を除く): 543019968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 71, 72, 96, 106, 142, 144, 159, 212, 213, 257, 284, 288, 318, 424, 426, 477, 514, 568, 636, 639, 771, 848, 852, 954, 1028, 1136, 1272, 1278, 1542, 1696, 1704, 1908, 2056, 2272, 2313, 2544, 2556, 3084, 3408, 3763, 3816, 4112, 4626, 5088, 5112, 6168, 6816, 7526, 7632, 8224, 9252, 10224, 11289, 12336, 13621, 15052, 15264, 18247, 18504, 20448, 22578, 24672, 27242, 30104, 33867, 36494, 37008, 40863, 45156, 54484, 54741, 60208, 67734, 72988, 74016, 81726, 90312, 108968, 109482, 120416, 122589, 135468, 145976, 163452, 164223, 180624, 217936, 218964, 245178, 270936, 291952, 326904, 328446, 361248, 435872, 437928, 490356, 541872, 583904, 653808, 656892, 875856, 967091, 980712, 1083744, 1307616, 1313784, 1751712, 1934182, 1961424, 2627568, 2901273, 3868364, 3922848, 5255136, 5802546, 7736728, 8703819, 11605092, 15473456, 17407638, 23210184, 30946912, 34815276, 46420368, 69630552, 92840736, 139261104, 278522208]

約数ペア:

[(1, 278522208), (2, 139261104), (3, 92840736), (4, 69630552), (6, 46420368), (8, 34815276), (9, 30946912), (12, 23210184), (16, 17407638), (18, 15473456), (24, 11605092), (32, 8703819), (36, 7736728), (48, 5802546), (53, 5255136), (71, 3922848), (72, 3868364), (96, 2901273), (106, 2627568), (142, 1961424), (144, 1934182), (159, 1751712), (212, 1313784), (213, 1307616), (257, 1083744), (284, 980712), (288, 967091), (318, 875856), (424, 656892), (426, 653808), (477, 583904), (514, 541872), (568, 490356), (636, 437928), (639, 435872), (771, 361248), (848, 328446), (852, 326904), (954, 291952), (1028, 270936), (1136, 245178), (1272, 218964), (1278, 217936), (1542, 180624), (1696, 164223), (1704, 163452), (1908, 145976), (2056, 135468), (2272, 122589), (2313, 120416), (2544, 109482), (2556, 108968), (3084, 90312), (3408, 81726), (3763, 74016), (3816, 72988), (4112, 67734), (4626, 60208), (5088, 54741), (5112, 54484), (6168, 45156), (6816, 40863), (7526, 37008), (7632, 36494), (8224, 33867), (9252, 30104), (10224, 27242), (11289, 24672), (12336, 22578), (13621, 20448), (15052, 18504), (15264, 18247)]