78866816

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 193881600

約数和(自身を除く): 115014784

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 43, 46, 56, 64, 86, 89, 92, 112, 128, 161, 172, 178, 184, 224, 301, 322, 344, 356, 368, 448, 602, 623, 644, 688, 712, 736, 896, 989, 1204, 1246, 1288, 1376, 1424, 1472, 1978, 2047, 2408, 2492, 2576, 2752, 2848, 2944, 3827, 3956, 4094, 4816, 4984, 5152, 5504, 5696, 6923, 7654, 7912, 8188, 9632, 9968, 10304, 11392, 13846, 14329, 15308, 15824, 16376, 19264, 19936, 20608, 26789, 27692, 28658, 30616, 31648, 32752, 38528, 39872, 53578, 55384, 57316, 61232, 63296, 65504, 79744, 88021, 107156, 110768, 114632, 122464, 126592, 131008, 176042, 214312, 221536, 229264, 244928, 262016, 352084, 428624, 443072, 458528, 489856, 616147, 704168, 857248, 886144, 917056, 1232294, 1408336, 1714496, 1834112, 2464588, 2816672, 3428992, 4929176, 5633344, 9858352, 11266688, 19716704, 39433408, 78866816]

約数ペア:

[(1, 78866816), (2, 39433408), (4, 19716704), (7, 11266688), (8, 9858352), (14, 5633344), (16, 4929176), (23, 3428992), (28, 2816672), (32, 2464588), (43, 1834112), (46, 1714496), (56, 1408336), (64, 1232294), (86, 917056), (89, 886144), (92, 857248), (112, 704168), (128, 616147), (161, 489856), (172, 458528), (178, 443072), (184, 428624), (224, 352084), (301, 262016), (322, 244928), (344, 229264), (356, 221536), (368, 214312), (448, 176042), (602, 131008), (623, 126592), (644, 122464), (688, 114632), (712, 110768), (736, 107156), (896, 88021), (989, 79744), (1204, 65504), (1246, 63296), (1288, 61232), (1376, 57316), (1424, 55384), (1472, 53578), (1978, 39872), (2047, 38528), (2408, 32752), (2492, 31648), (2576, 30616), (2752, 28658), (2848, 27692), (2944, 26789), (3827, 20608), (3956, 19936), (4094, 19264), (4816, 16376), (4984, 15824), (5152, 15308), (5504, 14329), (5696, 13846), (6923, 11392), (7654, 10304), (7912, 9968), (8188, 9632)]