128771870

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{29333}}^1$

素因数の和:29779

約数の個数: 16

約数和(自身を含む): 232325280

約数和(自身を除く): 103553410

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 29333, 58666, 146665, 293330, 12877187, 25754374, 64385935, 128771870]

約数ペア:

[(1, 128771870), (2, 64385935), (5, 25754374), (10, 12877187), (439, 293330), (878, 146665), (2195, 58666), (4390, 29333)]