987361490

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{442763}}^1$

素因数の和:442993

約数の個数: 16

約数和(自身を含む): 1785224448

約数和(自身を除く): 797862958

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 442763, 885526, 2213815, 4427630, 98736149, 197472298, 493680745, 987361490]

約数ペア:

[(1, 987361490), (2, 493680745), (5, 197472298), (10, 98736149), (223, 4427630), (446, 2213815), (1115, 885526), (2230, 442763)]