138791471

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4111}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 177194304

約数和(自身を除く): 38402833

約数列:

[1, 7, 13, 49, 53, 91, 371, 637, 689, 2597, 4111, 4823, 28777, 33761, 53443, 201439, 217883, 374101, 1525181, 2618707, 2832479, 10676267, 19827353, 138791471]

約数ペア:

[(1, 138791471), (7, 19827353), (13, 10676267), (49, 2832479), (53, 2618707), (91, 1525181), (371, 374101), (637, 217883), (689, 201439), (2597, 53443), (4111, 33761), (4823, 28777)]