889251839

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{20219}}^1$

素因数の和:20390

約数の個数: 16

約数和(自身を含む): 1043028480

約数和(自身を除く): 153776641

約数列:

[1, 7, 61, 103, 427, 721, 6283, 20219, 43981, 141533, 1233359, 2082557, 8633513, 14577899, 127035977, 889251839]

約数ペア:

[(1, 889251839), (7, 127035977), (61, 14577899), (103, 8633513), (427, 2082557), (721, 1233359), (6283, 141533), (20219, 43981)]