28261884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 75880448

約数和(自身を除く): 47618564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1884, 2143, 2198, 3297, 4286, 4396, 6429, 6594, 8572, 12858, 13188, 15001, 25716, 30002, 45003, 60004, 90006, 180012, 336451, 672902, 1009353, 1345804, 2018706, 2355157, 4037412, 4710314, 7065471, 9420628, 14130942, 28261884]

約数ペア:

[(1, 28261884), (2, 14130942), (3, 9420628), (4, 7065471), (6, 4710314), (7, 4037412), (12, 2355157), (14, 2018706), (21, 1345804), (28, 1009353), (42, 672902), (84, 336451), (157, 180012), (314, 90006), (471, 60004), (628, 45003), (942, 30002), (1099, 25716), (1884, 15001), (2143, 13188), (2198, 12858), (3297, 8572), (4286, 6594), (4396, 6429)]