142740442

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{422309}}^1$

素因数の和:422337

約数の個数: 12

約数和(自身を含む): 231848190

約数和(自身を除く): 89107748

約数列:

[1, 2, 13, 26, 169, 338, 422309, 844618, 5490017, 10980034, 71370221, 142740442]

約数ペア:

[(1, 142740442), (2, 71370221), (13, 10980034), (26, 5490017), (169, 844618), (338, 422309)]