278107648

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 160

約数和(自身を含む): 703954944

約数和(自身を除く): 425847296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 64, 91, 94, 104, 112, 127, 128, 182, 188, 208, 224, 254, 256, 329, 364, 376, 416, 448, 508, 512, 611, 658, 728, 752, 832, 889, 896, 1016, 1222, 1316, 1456, 1504, 1651, 1664, 1778, 1792, 2032, 2444, 2632, 2912, 3008, 3302, 3328, 3556, 3584, 4064, 4277, 4888, 5264, 5824, 5969, 6016, 6604, 6656, 7112, 8128, 8554, 9776, 10528, 11557, 11648, 11938, 12032, 13208, 14224, 16256, 17108, 19552, 21056, 23114, 23296, 23876, 24064, 26416, 28448, 32512, 34216, 39104, 41783, 42112, 46228, 46592, 47752, 52832, 56896, 65024, 68432, 77597, 78208, 83566, 84224, 92456, 95504, 105664, 113792, 136864, 155194, 156416, 167132, 168448, 184912, 191008, 211328, 227584, 273728, 310388, 312832, 334264, 369824, 382016, 422656, 455168, 543179, 547456, 620776, 668528, 739648, 764032, 845312, 1086358, 1094912, 1241552, 1337056, 1479296, 1528064, 2172716, 2189824, 2483104, 2674112, 2958592, 3056128, 4345432, 4966208, 5348224, 5917184, 8690864, 9932416, 10696448, 17381728, 19864832, 21392896, 34763456, 39729664, 69526912, 139053824, 278107648]

約数ペア:

[(1, 278107648), (2, 139053824), (4, 69526912), (7, 39729664), (8, 34763456), (13, 21392896), (14, 19864832), (16, 17381728), (26, 10696448), (28, 9932416), (32, 8690864), (47, 5917184), (52, 5348224), (56, 4966208), (64, 4345432), (91, 3056128), (94, 2958592), (104, 2674112), (112, 2483104), (127, 2189824), (128, 2172716), (182, 1528064), (188, 1479296), (208, 1337056), (224, 1241552), (254, 1094912), (256, 1086358), (329, 845312), (364, 764032), (376, 739648), (416, 668528), (448, 620776), (508, 547456), (512, 543179), (611, 455168), (658, 422656), (728, 382016), (752, 369824), (832, 334264), (889, 312832), (896, 310388), (1016, 273728), (1222, 227584), (1316, 211328), (1456, 191008), (1504, 184912), (1651, 168448), (1664, 167132), (1778, 156416), (1792, 155194), (2032, 136864), (2444, 113792), (2632, 105664), (2912, 95504), (3008, 92456), (3302, 84224), (3328, 83566), (3556, 78208), (3584, 77597), (4064, 68432), (4277, 65024), (4888, 56896), (5264, 52832), (5824, 47752), (5969, 46592), (6016, 46228), (6604, 42112), (6656, 41783), (7112, 39104), (8128, 34216), (8554, 32512), (9776, 28448), (10528, 26416), (11557, 24064), (11648, 23876), (11938, 23296), (12032, 23114), (13208, 21056), (14224, 19552), (16256, 17108)]