2687894398

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{974581}}^1$

素因数の和:974787

約数の個数: 16

約数和(自身を含む): 4631213664

約数和(自身を除く): 1943319266

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 974581, 1949162, 6822067, 13644134, 191992457, 383984914, 1343947199, 2687894398]

約数ペア:

[(1, 2687894398), (2, 1343947199), (7, 383984914), (14, 191992457), (197, 13644134), (394, 6822067), (1379, 1949162), (2758, 974581)]