1390671812

素因数分解:

$2^2\times {\mathrm{5231}}^1\times {\mathrm{66463}}^1$

素因数の和:71698

約数の個数: 12

約数和(自身を含む): 2434177536

約数和(自身を除く): 1043505724

約数列:

[1, 2, 4, 5231, 10462, 20924, 66463, 132926, 265852, 347667953, 695335906, 1390671812]

約数ペア:

[(1, 1390671812), (2, 695335906), (4, 347667953), (5231, 265852), (10462, 132926), (20924, 66463)]