1880451188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{85991}}^1$

素因数の和:86084

約数の個数: 48

約数和(自身を含む): 4160636928

約数和(自身を除く): 2280185740

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 85991, 171982, 343964, 601937, 945901, 1203874, 1891802, 2407748, 3783604, 6105361, 6621307, 12210722, 13242614, 24421444, 26485228, 42737527, 67158971, 85475054, 134317942, 170950108, 268635884, 470112797, 940225594, 1880451188]

約数ペア:

[(1, 1880451188), (2, 940225594), (4, 470112797), (7, 268635884), (11, 170950108), (14, 134317942), (22, 85475054), (28, 67158971), (44, 42737527), (71, 26485228), (77, 24421444), (142, 13242614), (154, 12210722), (284, 6621307), (308, 6105361), (497, 3783604), (781, 2407748), (994, 1891802), (1562, 1203874), (1988, 945901), (3124, 601937), (5467, 343964), (10934, 171982), (21868, 85991)]