81317399.000000000

素因数分解:

$2^7\times 3^1\times {\mathrm{268927}}^1$

素因数の和:268944

約数の個数: 32

約数和(自身を含む): 274306560

約数和(自身を除く): 171038592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 268927, 537854, 806781, 1075708, 1613562, 2151416, 3227124, 4302832, 6454248, 8605664, 12908496, 17211328, 25816992, 34422656, 51633984, 103267968]

約数ペア:

[(1, 103267968), (2, 51633984), (3, 34422656), (4, 25816992), (6, 17211328), (8, 12908496), (12, 8605664), (16, 6454248), (24, 4302832), (32, 3227124), (48, 2151416), (64, 1613562), (96, 1075708), (128, 806781), (192, 537854), (384, 268927)]