287013376

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 120

約数和(自身を含む): 646994304

約数和(自身を除く): 359980928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 107, 124, 128, 169, 208, 214, 248, 256, 338, 403, 416, 428, 496, 512, 676, 806, 832, 856, 992, 1352, 1391, 1612, 1664, 1712, 1984, 2704, 2782, 3224, 3317, 3328, 3424, 3968, 5239, 5408, 5564, 6448, 6634, 6656, 6848, 7936, 10478, 10816, 11128, 12896, 13268, 13696, 15872, 18083, 20956, 21632, 22256, 25792, 26536, 27392, 36166, 41912, 43121, 43264, 44512, 51584, 53072, 54784, 72332, 83824, 86242, 86528, 89024, 103168, 106144, 144664, 167648, 172484, 178048, 206336, 212288, 289328, 335296, 344968, 356096, 424576, 560573, 578656, 670592, 689936, 712192, 849152, 1121146, 1157312, 1341184, 1379872, 1698304, 2242292, 2314624, 2682368, 2759744, 4484584, 4629248, 5519488, 8969168, 9258496, 11038976, 17938336, 22077952, 35876672, 71753344, 143506688, 287013376]

約数ペア:

[(1, 287013376), (2, 143506688), (4, 71753344), (8, 35876672), (13, 22077952), (16, 17938336), (26, 11038976), (31, 9258496), (32, 8969168), (52, 5519488), (62, 4629248), (64, 4484584), (104, 2759744), (107, 2682368), (124, 2314624), (128, 2242292), (169, 1698304), (208, 1379872), (214, 1341184), (248, 1157312), (256, 1121146), (338, 849152), (403, 712192), (416, 689936), (428, 670592), (496, 578656), (512, 560573), (676, 424576), (806, 356096), (832, 344968), (856, 335296), (992, 289328), (1352, 212288), (1391, 206336), (1612, 178048), (1664, 172484), (1712, 167648), (1984, 144664), (2704, 106144), (2782, 103168), (3224, 89024), (3317, 86528), (3328, 86242), (3424, 83824), (3968, 72332), (5239, 54784), (5408, 53072), (5564, 51584), (6448, 44512), (6634, 43264), (6656, 43121), (6848, 41912), (7936, 36166), (10478, 27392), (10816, 26536), (11128, 25792), (12896, 22256), (13268, 21632), (13696, 20956), (15872, 18083)]