864128

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 1772760

約数和(自身を除く): 908632

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 157, 172, 314, 344, 628, 688, 1256, 1376, 2512, 2752, 5024, 5504, 6751, 10048, 13502, 20096, 27004, 54008, 108016, 216032, 432064, 864128]

約数ペア:

[(1, 864128), (2, 432064), (4, 216032), (8, 108016), (16, 54008), (32, 27004), (43, 20096), (64, 13502), (86, 10048), (128, 6751), (157, 5504), (172, 5024), (314, 2752), (344, 2512), (628, 1376), (688, 1256)]