27865990

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6619}}^1$

素因数の和:7047

約数の個数: 16

約数和(自身を含む): 50285520

約数和(自身を除く): 22419530

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 6619, 13238, 33095, 66190, 2786599, 5573198, 13932995, 27865990]

約数ペア:

[(1, 27865990), (2, 13932995), (5, 5573198), (10, 2786599), (421, 66190), (842, 33095), (2105, 13238), (4210, 6619)]