257215824

素因数分解:

$2^4\times 3^4\times {\mathrm{198469}}^1$

素因数の和:198489

約数の個数: 50

約数和(自身を含む): 744460970

約数和(自身を除く): 487245146

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 198469, 396938, 595407, 793876, 1190814, 1587752, 1786221, 2381628, 3175504, 3572442, 4763256, 5358663, 7144884, 9526512, 10717326, 14289768, 16075989, 21434652, 28579536, 32151978, 42869304, 64303956, 85738608, 128607912, 257215824]

約数ペア:

[(1, 257215824), (2, 128607912), (3, 85738608), (4, 64303956), (6, 42869304), (8, 32151978), (9, 28579536), (12, 21434652), (16, 16075989), (18, 14289768), (24, 10717326), (27, 9526512), (36, 7144884), (48, 5358663), (54, 4763256), (72, 3572442), (81, 3175504), (108, 2381628), (144, 1786221), (162, 1587752), (216, 1190814), (324, 793876), (432, 595407), (648, 396938), (1296, 198469)]