1980996854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{237929}}^1$

素因数の和:238135

約数の個数: 16

約数和(自身を含む): 3117834720

約数和(自身を除く): 1136837866

約数列:

[1, 2, 23, 46, 181, 362, 4163, 8326, 237929, 475858, 5472367, 10944734, 43065149, 86130298, 990498427, 1980996854]

約数ペア:

[(1, 1980996854), (2, 990498427), (23, 86130298), (46, 43065149), (181, 10944734), (362, 5472367), (4163, 475858), (8326, 237929)]