278315264

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 575770272

約数和(自身を除く): 297455008

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 131, 172, 193, 256, 262, 344, 386, 524, 688, 772, 1048, 1376, 1544, 2096, 2752, 3088, 4192, 5504, 5633, 6176, 8299, 8384, 11008, 11266, 12352, 16598, 16768, 22532, 24704, 25283, 33196, 33536, 45064, 49408, 50566, 66392, 90128, 101132, 132784, 180256, 202264, 265568, 360512, 404528, 531136, 721024, 809056, 1062272, 1087169, 1442048, 1618112, 2124544, 2174338, 3236224, 4348676, 6472448, 8697352, 17394704, 34789408, 69578816, 139157632, 278315264]

約数ペア:

[(1, 278315264), (2, 139157632), (4, 69578816), (8, 34789408), (16, 17394704), (32, 8697352), (43, 6472448), (64, 4348676), (86, 3236224), (128, 2174338), (131, 2124544), (172, 1618112), (193, 1442048), (256, 1087169), (262, 1062272), (344, 809056), (386, 721024), (524, 531136), (688, 404528), (772, 360512), (1048, 265568), (1376, 202264), (1544, 180256), (2096, 132784), (2752, 101132), (3088, 90128), (4192, 66392), (5504, 50566), (5633, 49408), (6176, 45064), (8299, 33536), (8384, 33196), (11008, 25283), (11266, 24704), (12352, 22532), (16598, 16768)]