28291328

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{8501}}^1$

素因数の和:8530

約数の個数: 36

約数和(自身を含む): 60823308

約数和(自身を除く): 32531980

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 8501, 17002, 34004, 68008, 110513, 136016, 221026, 272032, 442052, 544064, 884104, 1088128, 1768208, 2176256, 3536416, 7072832, 14145664, 28291328]

約数ペア:

[(1, 28291328), (2, 14145664), (4, 7072832), (8, 3536416), (13, 2176256), (16, 1768208), (26, 1088128), (32, 884104), (52, 544064), (64, 442052), (104, 272032), (128, 221026), (208, 136016), (256, 110513), (416, 68008), (832, 34004), (1664, 17002), (3328, 8501)]