209969198

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{5107}}^1$

素因数の和:5507

約数の個数: 16

約数和(自身を含む): 321129744

約数和(自身を除く): 111160546

約数列:

[1, 2, 61, 122, 337, 674, 5107, 10214, 20557, 41114, 311527, 623054, 1721059, 3442118, 104984599, 209969198]

約数ペア:

[(1, 209969198), (2, 104984599), (61, 3442118), (122, 1721059), (337, 623054), (674, 311527), (5107, 41114), (10214, 20557)]