986993998

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{20047}}^1$

素因数の和:20391

約数の個数: 16

約数和(自身を含む): 1501194240

約数和(自身を除く): 514200242

約数列:

[1, 2, 103, 206, 239, 478, 20047, 24617, 40094, 49234, 2064841, 4129682, 4791233, 9582466, 493496999, 986993998]

約数ペア:

[(1, 986993998), (2, 493496999), (103, 9582466), (206, 4791233), (239, 4129682), (478, 2064841), (20047, 49234), (24617, 40094)]