128888935

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{28111}}^1$

素因数の和:28254

約数の個数: 16

約数和(自身を含む): 178117632

約数和(自身を除く): 49228697

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 28111, 140555, 196777, 983885, 3682541, 18412705, 25777787, 128888935]

約数ペア:

[(1, 128888935), (5, 25777787), (7, 18412705), (35, 3682541), (131, 983885), (655, 196777), (917, 140555), (4585, 28111)]