207817904

素因数分解:

$2^4\times 7^1\times {\mathrm{1855517}}^1$

素因数の和:1855532

約数の個数: 20

約数和(自身を含む): 460168464

約数和(自身を除く): 252350560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1855517, 3711034, 7422068, 12988619, 14844136, 25977238, 29688272, 51954476, 103908952, 207817904]

約数ペア:

[(1, 207817904), (2, 103908952), (4, 51954476), (7, 29688272), (8, 25977238), (14, 14844136), (16, 12988619), (28, 7422068), (56, 3711034), (112, 1855517)]