81440912

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10853}}^1$

素因数の和:10935

約数の個数: 40

約数和(自身を含む): 183041856

約数和(自身を除く): 101600944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 10853, 21706, 43412, 75971, 86824, 151942, 173648, 303884, 607768, 727151, 1215536, 1454302, 2908604, 5090057, 5817208, 10180114, 11634416, 20360228, 40720456, 81440912]

約数ペア:

[(1, 81440912), (2, 40720456), (4, 20360228), (7, 11634416), (8, 10180114), (14, 5817208), (16, 5090057), (28, 2908604), (56, 1454302), (67, 1215536), (112, 727151), (134, 607768), (268, 303884), (469, 173648), (536, 151942), (938, 86824), (1072, 75971), (1876, 43412), (3752, 21706), (7504, 10853)]