217462784

素因数分解:

$2^{11}\times 7^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 554594040

約数和(自身を除く): 337131256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 197, 224, 256, 308, 352, 392, 394, 448, 512, 539, 616, 704, 784, 788, 896, 1024, 1078, 1232, 1379, 1408, 1568, 1576, 1792, 2048, 2156, 2167, 2464, 2758, 2816, 3136, 3152, 3584, 4312, 4334, 4928, 5516, 5632, 6272, 6304, 7168, 8624, 8668, 9653, 9856, 11032, 11264, 12544, 12608, 14336, 15169, 17248, 17336, 19306, 19712, 22064, 22528, 25088, 25216, 30338, 34496, 34672, 38612, 39424, 44128, 50176, 50432, 60676, 68992, 69344, 77224, 78848, 88256, 100352, 100864, 106183, 121352, 137984, 138688, 154448, 157696, 176512, 201728, 212366, 242704, 275968, 277376, 308896, 353024, 403456, 424732, 485408, 551936, 554752, 617792, 706048, 849464, 970816, 1103872, 1109504, 1235584, 1412096, 1698928, 1941632, 2219008, 2471168, 2824192, 3397856, 3883264, 4438016, 4942336, 6795712, 7766528, 9884672, 13591424, 15533056, 19769344, 27182848, 31066112, 54365696, 108731392, 217462784]

約数ペア:

[(1, 217462784), (2, 108731392), (4, 54365696), (7, 31066112), (8, 27182848), (11, 19769344), (14, 15533056), (16, 13591424), (22, 9884672), (28, 7766528), (32, 6795712), (44, 4942336), (49, 4438016), (56, 3883264), (64, 3397856), (77, 2824192), (88, 2471168), (98, 2219008), (112, 1941632), (128, 1698928), (154, 1412096), (176, 1235584), (196, 1109504), (197, 1103872), (224, 970816), (256, 849464), (308, 706048), (352, 617792), (392, 554752), (394, 551936), (448, 485408), (512, 424732), (539, 403456), (616, 353024), (704, 308896), (784, 277376), (788, 275968), (896, 242704), (1024, 212366), (1078, 201728), (1232, 176512), (1379, 157696), (1408, 154448), (1568, 138688), (1576, 137984), (1792, 121352), (2048, 106183), (2156, 100864), (2167, 100352), (2464, 88256), (2758, 78848), (2816, 77224), (3136, 69344), (3152, 68992), (3584, 60676), (4312, 50432), (4334, 50176), (4928, 44128), (5516, 39424), (5632, 38612), (6272, 34672), (6304, 34496), (7168, 30338), (8624, 25216), (8668, 25088), (9653, 22528), (9856, 22064), (11032, 19712), (11264, 19306), (12544, 17336), (12608, 17248), (14336, 15169)]