128527756

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 263704896

約数和(自身を除く): 135177140

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 257, 337, 371, 514, 674, 742, 1028, 1348, 1484, 1799, 2359, 3598, 4718, 7196, 9436, 13621, 17861, 27242, 35722, 54484, 71444, 86609, 95347, 125027, 173218, 190694, 250054, 346436, 381388, 500108, 606263, 1212526, 2425052, 4590277, 9180554, 18361108, 32131939, 64263878, 128527756]

約数ペア:

[(1, 128527756), (2, 64263878), (4, 32131939), (7, 18361108), (14, 9180554), (28, 4590277), (53, 2425052), (106, 1212526), (212, 606263), (257, 500108), (337, 381388), (371, 346436), (514, 250054), (674, 190694), (742, 173218), (1028, 125027), (1348, 95347), (1484, 86609), (1799, 71444), (2359, 54484), (3598, 35722), (4718, 27242), (7196, 17861), (9436, 13621)]