256510488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43271}}^1$

素因数の和:43312

約数の個数: 64

約数和(自身を含む): 726969600

約数和(自身を除く): 470459112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 5928, 43271, 86542, 129813, 173084, 259626, 346168, 519252, 562523, 822149, 1038504, 1125046, 1644298, 1687569, 2250092, 2466447, 3288596, 3375138, 4500184, 4932894, 6577192, 6750276, 9865788, 10687937, 13500552, 19731576, 21375874, 32063811, 42751748, 64127622, 85503496, 128255244, 256510488]

約数ペア:

[(1, 256510488), (2, 128255244), (3, 85503496), (4, 64127622), (6, 42751748), (8, 32063811), (12, 21375874), (13, 19731576), (19, 13500552), (24, 10687937), (26, 9865788), (38, 6750276), (39, 6577192), (52, 4932894), (57, 4500184), (76, 3375138), (78, 3288596), (104, 2466447), (114, 2250092), (152, 1687569), (156, 1644298), (228, 1125046), (247, 1038504), (312, 822149), (456, 562523), (494, 519252), (741, 346168), (988, 259626), (1482, 173084), (1976, 129813), (2964, 86542), (5928, 43271)]