81385802

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{1433}}^1$

素因数の和:1897

約数の個数: 16

約数和(自身を含む): 124155720

約数和(自身を除く): 42769918

約数列:

[1, 2, 73, 146, 389, 778, 1433, 2866, 28397, 56794, 104609, 209218, 557437, 1114874, 40692901, 81385802]

約数ペア:

[(1, 81385802), (2, 40692901), (73, 1114874), (146, 557437), (389, 209218), (778, 104609), (1433, 56794), (2866, 28397)]