128587912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{577}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 245014200

約数和(自身を除く): 116426288

約数列:

[1, 2, 4, 8, 89, 178, 313, 356, 577, 626, 712, 1154, 1252, 2308, 2504, 4616, 27857, 51353, 55714, 102706, 111428, 180601, 205412, 222856, 361202, 410824, 722404, 1444808, 16073489, 32146978, 64293956, 128587912]

約数ペア:

[(1, 128587912), (2, 64293956), (4, 32146978), (8, 16073489), (89, 1444808), (178, 722404), (313, 410824), (356, 361202), (577, 222856), (626, 205412), (712, 180601), (1154, 111428), (1252, 102706), (2308, 55714), (2504, 51353), (4616, 27857)]