1988547328

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 108

約数和(自身を含む): 4201462440

約数和(自身を除く): 2212915112

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 128, 137, 236, 248, 256, 274, 472, 496, 548, 944, 961, 992, 1096, 1829, 1888, 1922, 1984, 2192, 3658, 3776, 3844, 3968, 4247, 4384, 7316, 7552, 7688, 7936, 8083, 8494, 8768, 14632, 15104, 15376, 16166, 16988, 17536, 29264, 30752, 32332, 33976, 35072, 56699, 58528, 61504, 64664, 67952, 113398, 117056, 123008, 129328, 131657, 135904, 226796, 234112, 246016, 250573, 258656, 263314, 271808, 453592, 468224, 501146, 517312, 526628, 543616, 907184, 1002292, 1034624, 1053256, 1087232, 1814368, 2004584, 2069248, 2106512, 3628736, 4009168, 4213024, 7257472, 7767763, 8018336, 8426048, 14514944, 15535526, 16036672, 16852096, 31071052, 32073344, 33704192, 62142104, 64146688, 124284208, 248568416, 497136832, 994273664, 1988547328]

約数ペア:

[(1, 1988547328), (2, 994273664), (4, 497136832), (8, 248568416), (16, 124284208), (31, 64146688), (32, 62142104), (59, 33704192), (62, 32073344), (64, 31071052), (118, 16852096), (124, 16036672), (128, 15535526), (137, 14514944), (236, 8426048), (248, 8018336), (256, 7767763), (274, 7257472), (472, 4213024), (496, 4009168), (548, 3628736), (944, 2106512), (961, 2069248), (992, 2004584), (1096, 1814368), (1829, 1087232), (1888, 1053256), (1922, 1034624), (1984, 1002292), (2192, 907184), (3658, 543616), (3776, 526628), (3844, 517312), (3968, 501146), (4247, 468224), (4384, 453592), (7316, 271808), (7552, 263314), (7688, 258656), (7936, 250573), (8083, 246016), (8494, 234112), (8768, 226796), (14632, 135904), (15104, 131657), (15376, 129328), (16166, 123008), (16988, 117056), (17536, 113398), (29264, 67952), (30752, 64664), (32332, 61504), (33976, 58528), (35072, 56699)]