257202816

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:866

約数の個数: 128

約数和(自身を含む): 747700800

約数和(自身を除く): 490497984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 67, 78, 96, 104, 128, 134, 156, 192, 201, 208, 268, 312, 384, 402, 416, 536, 624, 769, 804, 832, 871, 1072, 1248, 1538, 1608, 1664, 1742, 2144, 2307, 2496, 2613, 3076, 3216, 3484, 4288, 4614, 4992, 5226, 6152, 6432, 6968, 8576, 9228, 9997, 10452, 12304, 12864, 13936, 18456, 19994, 20904, 24608, 25728, 27872, 29991, 36912, 39988, 41808, 49216, 51523, 55744, 59982, 73824, 79976, 83616, 98432, 103046, 111488, 119964, 147648, 154569, 159952, 167232, 206092, 239928, 295296, 309138, 319904, 334464, 412184, 479856, 618276, 639808, 669799, 824368, 959712, 1236552, 1279616, 1339598, 1648736, 1919424, 2009397, 2473104, 2679196, 3297472, 3838848, 4018794, 4946208, 5358392, 6594944, 8037588, 9892416, 10716784, 16075176, 19784832, 21433568, 32150352, 42867136, 64300704, 85734272, 128601408, 257202816]

約数ペア:

[(1, 257202816), (2, 128601408), (3, 85734272), (4, 64300704), (6, 42867136), (8, 32150352), (12, 21433568), (13, 19784832), (16, 16075176), (24, 10716784), (26, 9892416), (32, 8037588), (39, 6594944), (48, 5358392), (52, 4946208), (64, 4018794), (67, 3838848), (78, 3297472), (96, 2679196), (104, 2473104), (128, 2009397), (134, 1919424), (156, 1648736), (192, 1339598), (201, 1279616), (208, 1236552), (268, 959712), (312, 824368), (384, 669799), (402, 639808), (416, 618276), (536, 479856), (624, 412184), (769, 334464), (804, 319904), (832, 309138), (871, 295296), (1072, 239928), (1248, 206092), (1538, 167232), (1608, 159952), (1664, 154569), (1742, 147648), (2144, 119964), (2307, 111488), (2496, 103046), (2613, 98432), (3076, 83616), (3216, 79976), (3484, 73824), (4288, 59982), (4614, 55744), (4992, 51523), (5226, 49216), (6152, 41808), (6432, 39988), (6968, 36912), (8576, 29991), (9228, 27872), (9997, 25728), (10452, 24608), (12304, 20904), (12864, 19994), (13936, 18456)]