72687745

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 20

約数和(自身を含む): 94679460

約数和(自身を除く): 21991715

約数列:

[1, 5, 13, 65, 169, 509, 845, 2197, 2545, 6617, 10985, 28561, 33085, 86021, 142805, 430105, 1118273, 5591365, 14537549, 72687745]

約数ペア:

[(1, 72687745), (5, 14537549), (13, 5591365), (65, 1118273), (169, 430105), (509, 142805), (845, 86021), (2197, 33085), (2545, 28561), (6617, 10985)]