261567208

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3079}}^1$

素因数の和:3170

約数の個数: 64

約数和(自身を含む): 589881600

約数和(自身を除く): 328314392

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 41, 56, 74, 82, 148, 164, 259, 287, 296, 328, 518, 574, 1036, 1148, 1517, 2072, 2296, 3034, 3079, 6068, 6158, 10619, 12136, 12316, 21238, 21553, 24632, 42476, 43106, 84952, 86212, 113923, 126239, 172424, 227846, 252478, 455692, 504956, 797461, 883673, 911384, 1009912, 1594922, 1767346, 3189844, 3534692, 4670843, 6379688, 7069384, 9341686, 18683372, 32695901, 37366744, 65391802, 130783604, 261567208]

約数ペア:

[(1, 261567208), (2, 130783604), (4, 65391802), (7, 37366744), (8, 32695901), (14, 18683372), (28, 9341686), (37, 7069384), (41, 6379688), (56, 4670843), (74, 3534692), (82, 3189844), (148, 1767346), (164, 1594922), (259, 1009912), (287, 911384), (296, 883673), (328, 797461), (518, 504956), (574, 455692), (1036, 252478), (1148, 227846), (1517, 172424), (2072, 126239), (2296, 113923), (3034, 86212), (3079, 84952), (6068, 43106), (6158, 42476), (10619, 24632), (12136, 21553), (12316, 21238)]