257281344

素因数分解:

$2^6\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2003}}^1$

素因数の和:2244

約数の個数: 84

約数和(自身を含む): 741127296

約数和(自身を除く): 483845952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 223, 288, 446, 576, 669, 892, 1338, 1784, 2003, 2007, 2676, 3568, 4006, 4014, 5352, 6009, 7136, 8012, 8028, 10704, 12018, 14272, 16024, 16056, 18027, 21408, 24036, 32048, 32112, 36054, 42816, 48072, 64096, 64224, 72108, 96144, 128192, 128448, 144216, 192288, 288432, 384576, 446669, 576864, 893338, 1153728, 1340007, 1786676, 2680014, 3573352, 4020021, 5360028, 7146704, 8040042, 10720056, 14293408, 16080084, 21440112, 28586816, 32160168, 42880224, 64320336, 85760448, 128640672, 257281344]

約数ペア:

[(1, 257281344), (2, 128640672), (3, 85760448), (4, 64320336), (6, 42880224), (8, 32160168), (9, 28586816), (12, 21440112), (16, 16080084), (18, 14293408), (24, 10720056), (32, 8040042), (36, 7146704), (48, 5360028), (64, 4020021), (72, 3573352), (96, 2680014), (144, 1786676), (192, 1340007), (223, 1153728), (288, 893338), (446, 576864), (576, 446669), (669, 384576), (892, 288432), (1338, 192288), (1784, 144216), (2003, 128448), (2007, 128192), (2676, 96144), (3568, 72108), (4006, 64224), (4014, 64096), (5352, 48072), (6009, 42816), (7136, 36054), (8012, 32112), (8028, 32048), (10704, 24036), (12018, 21408), (14272, 18027), (16024, 16056)]