218528128

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 545267520

約数和(自身を除く): 326739392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 73, 91, 104, 112, 128, 146, 182, 208, 224, 257, 292, 364, 416, 448, 511, 514, 584, 728, 832, 896, 949, 1022, 1028, 1168, 1456, 1664, 1799, 1898, 2044, 2056, 2336, 2912, 3341, 3598, 3796, 4088, 4112, 4672, 5824, 6643, 6682, 7196, 7592, 8176, 8224, 9344, 11648, 13286, 13364, 14392, 15184, 16352, 16448, 18761, 23387, 26572, 26728, 28784, 30368, 32704, 32896, 37522, 46774, 53144, 53456, 57568, 60736, 65408, 75044, 93548, 106288, 106912, 115136, 121472, 131327, 150088, 187096, 212576, 213824, 230272, 243893, 262654, 300176, 374192, 425152, 427648, 487786, 525308, 600352, 748384, 850304, 975572, 1050616, 1200704, 1496768, 1707251, 1951144, 2101232, 2401408, 2993536, 3414502, 3902288, 4202464, 6829004, 7804576, 8404928, 13658008, 15609152, 16809856, 27316016, 31218304, 54632032, 109264064, 218528128]

約数ペア:

[(1, 218528128), (2, 109264064), (4, 54632032), (7, 31218304), (8, 27316016), (13, 16809856), (14, 15609152), (16, 13658008), (26, 8404928), (28, 7804576), (32, 6829004), (52, 4202464), (56, 3902288), (64, 3414502), (73, 2993536), (91, 2401408), (104, 2101232), (112, 1951144), (128, 1707251), (146, 1496768), (182, 1200704), (208, 1050616), (224, 975572), (257, 850304), (292, 748384), (364, 600352), (416, 525308), (448, 487786), (511, 427648), (514, 425152), (584, 374192), (728, 300176), (832, 262654), (896, 243893), (949, 230272), (1022, 213824), (1028, 212576), (1168, 187096), (1456, 150088), (1664, 131327), (1799, 121472), (1898, 115136), (2044, 106912), (2056, 106288), (2336, 93548), (2912, 75044), (3341, 65408), (3598, 60736), (3796, 57568), (4088, 53456), (4112, 53144), (4672, 46774), (5824, 37522), (6643, 32896), (6682, 32704), (7196, 30368), (7592, 28784), (8176, 26728), (8224, 26572), (9344, 23387), (11648, 18761), (13286, 16448), (13364, 16352), (14392, 15184)]