128393216

素因数分解:

$2^{13}\times 7^1\times {\mathrm{2239}}^1$

素因数の和:2272

約数の個数: 56

約数和(自身を含む): 293583360

約数和(自身を除く): 165190144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 2239, 3584, 4096, 4478, 7168, 8192, 8956, 14336, 15673, 17912, 28672, 31346, 35824, 57344, 62692, 71648, 125384, 143296, 250768, 286592, 501536, 573184, 1003072, 1146368, 2006144, 2292736, 4012288, 4585472, 8024576, 9170944, 16049152, 18341888, 32098304, 64196608, 128393216]

約数ペア:

[(1, 128393216), (2, 64196608), (4, 32098304), (7, 18341888), (8, 16049152), (14, 9170944), (16, 8024576), (28, 4585472), (32, 4012288), (56, 2292736), (64, 2006144), (112, 1146368), (128, 1003072), (224, 573184), (256, 501536), (448, 286592), (512, 250768), (896, 143296), (1024, 125384), (1792, 71648), (2048, 62692), (2239, 57344), (3584, 35824), (4096, 31346), (4478, 28672), (7168, 17912), (8192, 15673), (8956, 14336)]