81153994

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{1619}}^1$

素因数の和:2045

約数の個数: 16

約数和(自身を含む): 123871680

約数和(自身を除く): 42717686

約数列:

[1, 2, 71, 142, 353, 706, 1619, 3238, 25063, 50126, 114949, 229898, 571507, 1143014, 40576997, 81153994]

約数ペア:

[(1, 81153994), (2, 40576997), (71, 1143014), (142, 571507), (353, 229898), (706, 114949), (1619, 50126), (3238, 25063)]