128940418

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{2719}}^1$

素因数の和:3033

約数の個数: 16

約数和(自身を含む): 196035840

約数和(自身を除く): 67095422

約数列:

[1, 2, 131, 181, 262, 362, 2719, 5438, 23711, 47422, 356189, 492139, 712378, 984278, 64470209, 128940418]

約数ペア:

[(1, 128940418), (2, 64470209), (131, 984278), (181, 712378), (262, 492139), (362, 356189), (2719, 47422), (5438, 23711)]