81520052

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 144399360

約数和(自身を除く): 62879308

約数列:

[1, 2, 4, 157, 271, 314, 479, 542, 628, 958, 1084, 1916, 42547, 75203, 85094, 129809, 150406, 170188, 259618, 300812, 519236, 20380013, 40760026, 81520052]

約数ペア:

[(1, 81520052), (2, 40760026), (4, 20380013), (157, 519236), (271, 300812), (314, 259618), (479, 170188), (542, 150406), (628, 129809), (958, 85094), (1084, 75203), (1916, 42547)]