217013888

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 550179840

約数和(自身を除く): 333165952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 601, 728, 806, 832, 868, 896, 992, 1202, 1456, 1612, 1664, 1736, 1984, 2404, 2821, 2912, 3224, 3472, 3968, 4207, 4808, 5642, 5824, 6448, 6944, 7813, 8414, 9616, 11284, 11648, 12896, 13888, 15626, 16828, 18631, 19232, 22568, 25792, 27776, 31252, 33656, 37262, 38464, 45136, 51584, 54691, 62504, 67312, 74524, 76928, 90272, 109382, 125008, 130417, 134624, 149048, 180544, 218764, 242203, 250016, 260834, 269248, 298096, 361088, 437528, 484406, 500032, 521668, 538496, 596192, 875056, 968812, 1000064, 1043336, 1192384, 1695421, 1750112, 1937624, 2086672, 2384768, 3390842, 3500224, 3875248, 4173344, 6781684, 7000448, 7750496, 8346688, 13563368, 15500992, 16693376, 27126736, 31001984, 54253472, 108506944, 217013888]

約数ペア:

[(1, 217013888), (2, 108506944), (4, 54253472), (7, 31001984), (8, 27126736), (13, 16693376), (14, 15500992), (16, 13563368), (26, 8346688), (28, 7750496), (31, 7000448), (32, 6781684), (52, 4173344), (56, 3875248), (62, 3500224), (64, 3390842), (91, 2384768), (104, 2086672), (112, 1937624), (124, 1750112), (128, 1695421), (182, 1192384), (208, 1043336), (217, 1000064), (224, 968812), (248, 875056), (364, 596192), (403, 538496), (416, 521668), (434, 500032), (448, 484406), (496, 437528), (601, 361088), (728, 298096), (806, 269248), (832, 260834), (868, 250016), (896, 242203), (992, 218764), (1202, 180544), (1456, 149048), (1612, 134624), (1664, 130417), (1736, 125008), (1984, 109382), (2404, 90272), (2821, 76928), (2912, 74524), (3224, 67312), (3472, 62504), (3968, 54691), (4207, 51584), (4808, 45136), (5642, 38464), (5824, 37262), (6448, 33656), (6944, 31252), (7813, 27776), (8414, 25792), (9616, 22568), (11284, 19232), (11648, 18631), (12896, 16828), (13888, 15626)]