128481685

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 156364416

約数和(自身を除く): 27882731

約数列:

[1, 5, 103, 317, 515, 787, 1585, 3935, 32651, 81061, 163255, 249479, 405305, 1247395, 25696337, 128481685]

約数ペア:

[(1, 128481685), (5, 25696337), (103, 1247395), (317, 405305), (515, 249479), (787, 163255), (1585, 81061), (3935, 32651)]