256728552

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1877}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 662558400

約数和(自身を除く): 405829848

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 139, 164, 246, 278, 328, 417, 492, 556, 834, 984, 1112, 1668, 1877, 3336, 3754, 5631, 5699, 7508, 11262, 11398, 15016, 17097, 22524, 22796, 34194, 45048, 45592, 68388, 76957, 136776, 153914, 230871, 260903, 307828, 461742, 521806, 615656, 782709, 923484, 1043612, 1565418, 1846968, 2087224, 3130836, 6261672, 10697023, 21394046, 32091069, 42788092, 64182138, 85576184, 128364276, 256728552]

約数ペア:

[(1, 256728552), (2, 128364276), (3, 85576184), (4, 64182138), (6, 42788092), (8, 32091069), (12, 21394046), (24, 10697023), (41, 6261672), (82, 3130836), (123, 2087224), (139, 1846968), (164, 1565418), (246, 1043612), (278, 923484), (328, 782709), (417, 615656), (492, 521806), (556, 461742), (834, 307828), (984, 260903), (1112, 230871), (1668, 153914), (1877, 136776), (3336, 76957), (3754, 68388), (5631, 45592), (5699, 45048), (7508, 34194), (11262, 22796), (11398, 22524), (15016, 17097)]