990178

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:777

約数の個数: 16

約数和(自身を含む): 1715904

約数和(自身を除く): 725726

約数列:

[1, 2, 7, 14, 107, 214, 661, 749, 1322, 1498, 4627, 9254, 70727, 141454, 495089, 990178]

約数ペア:

[(1, 990178), (2, 495089), (7, 141454), (14, 70727), (107, 9254), (214, 4627), (661, 1498), (749, 1322)]