81499128

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{72251}}^1$

素因数の和:72307

約数の個数: 32

約数和(自身を含む): 208085760

約数和(自身を除く): 126586632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 72251, 144502, 216753, 289004, 433506, 578008, 867012, 1734024, 3395797, 6791594, 10187391, 13583188, 20374782, 27166376, 40749564, 81499128]

約数ペア:

[(1, 81499128), (2, 40749564), (3, 27166376), (4, 20374782), (6, 13583188), (8, 10187391), (12, 6791594), (24, 3395797), (47, 1734024), (94, 867012), (141, 578008), (188, 433506), (282, 289004), (376, 216753), (564, 144502), (1128, 72251)]