208111912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 419328000

約数和(自身を除く): 211216088

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 103, 139, 158, 184, 206, 278, 316, 412, 556, 632, 824, 1112, 1817, 2369, 3197, 3634, 4738, 6394, 7268, 8137, 9476, 10981, 12788, 14317, 14536, 16274, 18952, 21962, 25576, 28634, 32548, 43924, 57268, 65096, 87848, 114536, 187151, 252563, 329291, 374302, 505126, 658582, 748604, 1010252, 1131043, 1317164, 1497208, 2020504, 2262086, 2634328, 4524172, 9048344, 26013989, 52027978, 104055956, 208111912]

約数ペア:

[(1, 208111912), (2, 104055956), (4, 52027978), (8, 26013989), (23, 9048344), (46, 4524172), (79, 2634328), (92, 2262086), (103, 2020504), (139, 1497208), (158, 1317164), (184, 1131043), (206, 1010252), (278, 748604), (316, 658582), (412, 505126), (556, 374302), (632, 329291), (824, 252563), (1112, 187151), (1817, 114536), (2369, 87848), (3197, 65096), (3634, 57268), (4738, 43924), (6394, 32548), (7268, 28634), (8137, 25576), (9476, 21962), (10981, 18952), (12788, 16274), (14317, 14536)]