81457732

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{1231}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 145297152

約数和(自身を除く): 63839420

約数列:

[1, 2, 4, 71, 142, 233, 284, 466, 932, 1231, 2462, 4924, 16543, 33086, 66172, 87401, 174802, 286823, 349604, 573646, 1147292, 20364433, 40728866, 81457732]

約数ペア:

[(1, 81457732), (2, 40728866), (4, 20364433), (71, 1147292), (142, 573646), (233, 349604), (284, 286823), (466, 174802), (932, 87401), (1231, 66172), (2462, 33086), (4924, 16543)]