257299968

素因数分解:

$2^9\times 3^1\times {\mathrm{127}}^1\times {\mathrm{1319}}^1$

素因数の和:1467

約数の個数: 80

約数和(自身を含む): 691384320

約数和(自身を除く): 434084352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 256, 381, 384, 508, 512, 762, 768, 1016, 1319, 1524, 1536, 2032, 2638, 3048, 3957, 4064, 5276, 6096, 7914, 8128, 10552, 12192, 15828, 16256, 21104, 24384, 31656, 32512, 42208, 48768, 63312, 65024, 84416, 97536, 126624, 167513, 168832, 195072, 253248, 335026, 337664, 502539, 506496, 670052, 675328, 1005078, 1012992, 1340104, 2010156, 2025984, 2680208, 4020312, 5360416, 8040624, 10720832, 16081248, 21441664, 32162496, 42883328, 64324992, 85766656, 128649984, 257299968]

約数ペア:

[(1, 257299968), (2, 128649984), (3, 85766656), (4, 64324992), (6, 42883328), (8, 32162496), (12, 21441664), (16, 16081248), (24, 10720832), (32, 8040624), (48, 5360416), (64, 4020312), (96, 2680208), (127, 2025984), (128, 2010156), (192, 1340104), (254, 1012992), (256, 1005078), (381, 675328), (384, 670052), (508, 506496), (512, 502539), (762, 337664), (768, 335026), (1016, 253248), (1319, 195072), (1524, 168832), (1536, 167513), (2032, 126624), (2638, 97536), (3048, 84416), (3957, 65024), (4064, 63312), (5276, 48768), (6096, 42208), (7914, 32512), (8128, 31656), (10552, 24384), (12192, 21104), (15828, 16256)]