256643712

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17137}}^1$

素因数の和:17170

約数の個数: 96

約数和(自身を含む): 795374580

約数和(自身を除く): 538730868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 288, 312, 384, 416, 468, 576, 624, 832, 936, 1152, 1248, 1664, 1872, 2496, 3744, 4992, 7488, 14976, 17137, 34274, 51411, 68548, 102822, 137096, 154233, 205644, 222781, 274192, 308466, 411288, 445562, 548384, 616932, 668343, 822576, 891124, 1096768, 1233864, 1336686, 1645152, 1782248, 2005029, 2193536, 2467728, 2673372, 3290304, 3564496, 4010058, 4935456, 5346744, 6580608, 7128992, 8020116, 9870912, 10693488, 14257984, 16040232, 19741824, 21386976, 28515968, 32080464, 42773952, 64160928, 85547904, 128321856, 256643712]

約数ペア:

[(1, 256643712), (2, 128321856), (3, 85547904), (4, 64160928), (6, 42773952), (8, 32080464), (9, 28515968), (12, 21386976), (13, 19741824), (16, 16040232), (18, 14257984), (24, 10693488), (26, 9870912), (32, 8020116), (36, 7128992), (39, 6580608), (48, 5346744), (52, 4935456), (64, 4010058), (72, 3564496), (78, 3290304), (96, 2673372), (104, 2467728), (117, 2193536), (128, 2005029), (144, 1782248), (156, 1645152), (192, 1336686), (208, 1233864), (234, 1096768), (288, 891124), (312, 822576), (384, 668343), (416, 616932), (468, 548384), (576, 445562), (624, 411288), (832, 308466), (936, 274192), (1152, 222781), (1248, 205644), (1664, 154233), (1872, 137096), (2496, 102822), (3744, 68548), (4992, 51411), (7488, 34274), (14976, 17137)]