9991156

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1493}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 20079360

約数和(自身を除く): 10088204

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1493, 1673, 2986, 3346, 5972, 6692, 10451, 20902, 41804, 356827, 713654, 1427308, 2497789, 4995578, 9991156]

約数ペア:

[(1, 9991156), (2, 4995578), (4, 2497789), (7, 1427308), (14, 713654), (28, 356827), (239, 41804), (478, 20902), (956, 10451), (1493, 6692), (1673, 5972), (2986, 3346)]