128437970

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{117833}}^1$

素因数の和:117949

約数の個数: 16

約数和(自身を含む): 233311320

約数和(自身を除く): 104873350

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 117833, 235666, 589165, 1178330, 12843797, 25687594, 64218985, 128437970]

約数ペア:

[(1, 128437970), (2, 64218985), (5, 25687594), (10, 12843797), (109, 1178330), (218, 589165), (545, 235666), (1090, 117833)]