20149286451847

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1\times {\mathrm{77878561}}^1$

素因数の和:77880198

約数の個数: 16

約数和(自身を含む): 24043915717632

約数和(自身を除く): 3894629265785

約数列:

[1, 7, 23, 161, 1607, 11249, 36961, 258727, 77878561, 545149927, 1791206903, 12538448321, 125150847527, 876055932689, 2878469493121, 20149286451847]

約数ペア:

[(1, 20149286451847), (7, 2878469493121), (23, 876055932689), (161, 125150847527), (1607, 12538448321), (11249, 1791206903), (36961, 545149927), (258727, 77878561)]