1287119408

素因数分解:

$2^4\times {\mathrm{8501}}^1\times {\mathrm{9463}}^1$

素因数の和:17972

約数の個数: 20

約数和(自身を含む): 2494350768

約数和(自身を除く): 1207231360

約数列:

[1, 2, 4, 8, 16, 8501, 9463, 17002, 18926, 34004, 37852, 68008, 75704, 136016, 151408, 80444963, 160889926, 321779852, 643559704, 1287119408]

約数ペア:

[(1, 1287119408), (2, 643559704), (4, 321779852), (8, 160889926), (16, 80444963), (8501, 151408), (9463, 136016), (17002, 75704), (18926, 68008), (34004, 37852)]