128477687

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 148704336

約数和(自身を除く): 20226649

約数列:

[1, 13, 17, 169, 197, 221, 227, 2561, 2873, 2951, 3349, 3859, 33293, 38363, 43537, 44719, 50167, 565981, 581347, 652171, 760223, 7557511, 9882899, 128477687]

約数ペア:

[(1, 128477687), (13, 9882899), (17, 7557511), (169, 760223), (197, 652171), (221, 581347), (227, 565981), (2561, 50167), (2873, 44719), (2951, 43537), (3349, 38363), (3859, 33293)]