128551612

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{23071}}^1$

素因数の和:23281

約数の個数: 24

約数和(自身を含む): 258406400

約数和(自身を除く): 129854788

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 23071, 46142, 92284, 161497, 322994, 645988, 4591129, 9182258, 18364516, 32137903, 64275806, 128551612]

約数ペア:

[(1, 128551612), (2, 64275806), (4, 32137903), (7, 18364516), (14, 9182258), (28, 4591129), (199, 645988), (398, 322994), (796, 161497), (1393, 92284), (2786, 46142), (5572, 23071)]