81592987

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 98496000

約数和(自身を除く): 16903013

約数列:

[1, 7, 47, 49, 71, 329, 497, 499, 2303, 3337, 3479, 3493, 23359, 23453, 24451, 35429, 163513, 164171, 248003, 1149197, 1665163, 1736021, 11656141, 81592987]

約数ペア:

[(1, 81592987), (7, 11656141), (47, 1736021), (49, 1665163), (71, 1149197), (329, 248003), (497, 164171), (499, 163513), (2303, 35429), (3337, 24451), (3479, 23453), (3493, 23359)]