638895488

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 1640943360

約数和(自身を除く): 1002047872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 71, 77, 83, 88, 112, 121, 128, 142, 154, 166, 176, 224, 242, 284, 308, 332, 352, 448, 484, 497, 568, 581, 616, 664, 704, 781, 847, 896, 913, 968, 994, 1136, 1162, 1232, 1328, 1408, 1562, 1694, 1826, 1936, 1988, 2272, 2324, 2464, 2656, 3124, 3388, 3652, 3872, 3976, 4544, 4648, 4928, 5312, 5467, 5893, 6248, 6391, 6776, 7304, 7744, 7952, 8591, 9088, 9296, 9856, 10043, 10624, 10934, 11786, 12496, 12782, 13552, 14608, 15488, 15904, 17182, 18592, 20086, 21868, 23572, 24992, 25564, 27104, 29216, 31808, 34364, 37184, 40172, 41251, 43736, 47144, 49984, 51128, 54208, 58432, 60137, 63616, 64823, 68728, 70301, 74368, 80344, 82502, 87472, 94288, 99968, 102256, 108416, 116864, 120274, 129646, 137456, 140602, 160688, 165004, 174944, 188576, 204512, 240548, 259292, 274912, 281204, 321376, 330008, 349888, 377152, 409024, 453761, 481096, 518584, 549824, 562408, 642752, 660016, 699776, 713053, 754304, 818048, 907522, 962192, 1037168, 1099648, 1124816, 1285504, 1320032, 1426106, 1815044, 1924384, 2074336, 2249632, 2640064, 2852212, 3630088, 3848768, 4148672, 4499264, 4991371, 5280128, 5704424, 7260176, 7697536, 8297344, 8998528, 9982742, 11408848, 14520352, 19965484, 22817696, 29040704, 39930968, 45635392, 58081408, 79861936, 91270784, 159723872, 319447744, 638895488]

約数ペア:

[(1, 638895488), (2, 319447744), (4, 159723872), (7, 91270784), (8, 79861936), (11, 58081408), (14, 45635392), (16, 39930968), (22, 29040704), (28, 22817696), (32, 19965484), (44, 14520352), (56, 11408848), (64, 9982742), (71, 8998528), (77, 8297344), (83, 7697536), (88, 7260176), (112, 5704424), (121, 5280128), (128, 4991371), (142, 4499264), (154, 4148672), (166, 3848768), (176, 3630088), (224, 2852212), (242, 2640064), (284, 2249632), (308, 2074336), (332, 1924384), (352, 1815044), (448, 1426106), (484, 1320032), (497, 1285504), (568, 1124816), (581, 1099648), (616, 1037168), (664, 962192), (704, 907522), (781, 818048), (847, 754304), (896, 713053), (913, 699776), (968, 660016), (994, 642752), (1136, 562408), (1162, 549824), (1232, 518584), (1328, 481096), (1408, 453761), (1562, 409024), (1694, 377152), (1826, 349888), (1936, 330008), (1988, 321376), (2272, 281204), (2324, 274912), (2464, 259292), (2656, 240548), (3124, 204512), (3388, 188576), (3652, 174944), (3872, 165004), (3976, 160688), (4544, 140602), (4648, 137456), (4928, 129646), (5312, 120274), (5467, 116864), (5893, 108416), (6248, 102256), (6391, 99968), (6776, 94288), (7304, 87472), (7744, 82502), (7952, 80344), (8591, 74368), (9088, 70301), (9296, 68728), (9856, 64823), (10043, 63616), (10624, 60137), (10934, 58432), (11786, 54208), (12496, 51128), (12782, 49984), (13552, 47144), (14608, 43736), (15488, 41251), (15904, 40172), (17182, 37184), (18592, 34364), (20086, 31808), (21868, 29216), (23572, 27104), (24992, 25564)]