128742656

素因数分解:

$2^8\times 7^1\times {\mathrm{71843}}^1$

素因数の和:71866

約数の個数: 36

約数和(自身を含む): 293698272

約数和(自身を除く): 164955616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 71843, 143686, 287372, 502901, 574744, 1005802, 1149488, 2011604, 2298976, 4023208, 4597952, 8046416, 9195904, 16092832, 18391808, 32185664, 64371328, 128742656]

約数ペア:

[(1, 128742656), (2, 64371328), (4, 32185664), (7, 18391808), (8, 16092832), (14, 9195904), (16, 8046416), (28, 4597952), (32, 4023208), (56, 2298976), (64, 2011604), (112, 1149488), (128, 1005802), (224, 574744), (256, 502901), (448, 287372), (896, 143686), (1792, 71843)]