189983872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 438681600

約数和(自身を除く): 248697728

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 32, 52, 58, 62, 64, 104, 116, 124, 127, 128, 208, 232, 248, 254, 377, 403, 416, 464, 496, 508, 754, 806, 832, 899, 928, 992, 1016, 1508, 1612, 1651, 1664, 1798, 1856, 1984, 2032, 3016, 3224, 3302, 3596, 3683, 3712, 3937, 3968, 4064, 6032, 6448, 6604, 7192, 7366, 7874, 8128, 11687, 12064, 12896, 13208, 14384, 14732, 15748, 16256, 23374, 24128, 25792, 26416, 28768, 29464, 31496, 46748, 47879, 48256, 51181, 51584, 52832, 57536, 58928, 62992, 93496, 95758, 102362, 105664, 114173, 115072, 117856, 125984, 186992, 191516, 204724, 211328, 228346, 235712, 251968, 373984, 383032, 409448, 456692, 471424, 503936, 747968, 766064, 818896, 913384, 1484249, 1495936, 1532128, 1637792, 1826768, 2968498, 3064256, 3275584, 3653536, 5936996, 6128512, 6551168, 7307072, 11873992, 14614144, 23747984, 47495968, 94991936, 189983872]

約数ペア:

[(1, 189983872), (2, 94991936), (4, 47495968), (8, 23747984), (13, 14614144), (16, 11873992), (26, 7307072), (29, 6551168), (31, 6128512), (32, 5936996), (52, 3653536), (58, 3275584), (62, 3064256), (64, 2968498), (104, 1826768), (116, 1637792), (124, 1532128), (127, 1495936), (128, 1484249), (208, 913384), (232, 818896), (248, 766064), (254, 747968), (377, 503936), (403, 471424), (416, 456692), (464, 409448), (496, 383032), (508, 373984), (754, 251968), (806, 235712), (832, 228346), (899, 211328), (928, 204724), (992, 191516), (1016, 186992), (1508, 125984), (1612, 117856), (1651, 115072), (1664, 114173), (1798, 105664), (1856, 102362), (1984, 95758), (2032, 93496), (3016, 62992), (3224, 58928), (3302, 57536), (3596, 52832), (3683, 51584), (3712, 51181), (3937, 48256), (3968, 47879), (4064, 46748), (6032, 31496), (6448, 29464), (6604, 28768), (7192, 26416), (7366, 25792), (7874, 24128), (8128, 23374), (11687, 16256), (12064, 15748), (12896, 14732), (13208, 14384)]