28378624

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1350

約数の個数: 40

約数和(自身を含む): 58065480

約数和(自身を除く): 29686856

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1289, 1376, 2578, 2752, 5156, 5504, 10312, 11008, 20624, 22016, 41248, 55427, 82496, 110854, 164992, 221708, 329984, 443416, 659968, 886832, 1773664, 3547328, 7094656, 14189312, 28378624]

約数ペア:

[(1, 28378624), (2, 14189312), (4, 7094656), (8, 3547328), (16, 1773664), (32, 886832), (43, 659968), (64, 443416), (86, 329984), (128, 221708), (172, 164992), (256, 110854), (344, 82496), (512, 55427), (688, 41248), (1289, 22016), (1376, 20624), (2578, 11008), (2752, 10312), (5156, 5504)]