128637824

素因数分解:

$2^7\times 7^1\times {\mathrm{143569}}^1$

素因数の和:143590

約数の個数: 32

約数和(自身を含む): 292882800

約数和(自身を除く): 164244976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 143569, 287138, 574276, 1004983, 1148552, 2009966, 2297104, 4019932, 4594208, 8039864, 9188416, 16079728, 18376832, 32159456, 64318912, 128637824]

約数ペア:

[(1, 128637824), (2, 64318912), (4, 32159456), (7, 18376832), (8, 16079728), (14, 9188416), (16, 8039864), (28, 4594208), (32, 4019932), (56, 2297104), (64, 2009966), (112, 1148552), (128, 1004983), (224, 574276), (448, 287138), (896, 143569)]