1288890169

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{1143647}}^1$

素因数の和:1143684

約数の個数: 12

約数和(自身を含む): 1564510464

約数和(自身を除く): 275620295

約数列:

[1, 7, 23, 49, 161, 1127, 1143647, 8005529, 26303881, 56038703, 184127167, 1288890169]

約数ペア:

[(1, 1288890169), (7, 184127167), (23, 56038703), (49, 26303881), (161, 8005529), (1127, 1143647)]