9871490

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2027}}^1$

素因数の和:2521

約数の個数: 16

約数和(自身を含む): 17813952

約数和(自身を除く): 7942462

約数列:

[1, 2, 5, 10, 487, 974, 2027, 2435, 4054, 4870, 10135, 20270, 987149, 1974298, 4935745, 9871490]

約数ペア:

[(1, 9871490), (2, 4935745), (5, 1974298), (10, 987149), (487, 20270), (974, 10135), (2027, 4870), (2435, 4054)]