27878270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{398261}}^1$

素因数の和:398275

約数の個数: 16

約数和(自身を含む): 57349728

約数和(自身を除く): 29471458

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 398261, 796522, 1991305, 2787827, 3982610, 5575654, 13939135, 27878270]

約数ペア:

[(1, 27878270), (2, 13939135), (5, 5575654), (7, 3982610), (10, 2787827), (14, 1991305), (35, 796522), (70, 398261)]