12991438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 19906560

約数和(自身を除く): 6915122

約数列:

[1, 2, 71, 142, 191, 382, 479, 958, 13561, 27122, 34009, 68018, 91489, 182978, 6495719, 12991438]

約数ペア:

[(1, 12991438), (2, 6495719), (71, 182978), (142, 91489), (191, 68018), (382, 34009), (479, 27122), (958, 13561)]