87856252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28123}}^1$

素因数の和:28209

約数の個数: 24

約数和(自身を含む): 170093952

約数和(自身を除く): 82237700

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 28123, 56246, 112492, 309353, 618706, 1237412, 1996733, 3993466, 7986932, 21964063, 43928126, 87856252]

約数ペア:

[(1, 87856252), (2, 43928126), (4, 21964063), (11, 7986932), (22, 3993466), (44, 1996733), (71, 1237412), (142, 618706), (284, 309353), (781, 112492), (1562, 56246), (3124, 28123)]