256417728

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{190787}}^1$

素因数の和:190809

約数の個数: 56

約数和(自身を含む): 775362432

約数和(自身を除く): 518944704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 190787, 381574, 572361, 763148, 1144722, 1335509, 1526296, 2289444, 2671018, 3052592, 4006527, 4578888, 5342036, 6105184, 8013054, 9157776, 10684072, 12210368, 16026108, 18315552, 21368144, 32052216, 36631104, 42736288, 64104432, 85472576, 128208864, 256417728]

約数ペア:

[(1, 256417728), (2, 128208864), (3, 85472576), (4, 64104432), (6, 42736288), (7, 36631104), (8, 32052216), (12, 21368144), (14, 18315552), (16, 16026108), (21, 12210368), (24, 10684072), (28, 9157776), (32, 8013054), (42, 6105184), (48, 5342036), (56, 4578888), (64, 4006527), (84, 3052592), (96, 2671018), (112, 2289444), (168, 1526296), (192, 1335509), (224, 1144722), (336, 763148), (448, 572361), (672, 381574), (1344, 190787)]