491401904

素因数分解:

$2^4\times 7^1\times {\mathrm{4387517}}^1$

素因数の和:4387532

約数の個数: 20

約数和(自身を含む): 1088104464

約数和(自身を除く): 596702560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 4387517, 8775034, 17550068, 30712619, 35100136, 61425238, 70200272, 122850476, 245700952, 491401904]

約数ペア:

[(1, 491401904), (2, 245700952), (4, 122850476), (7, 70200272), (8, 61425238), (14, 35100136), (16, 30712619), (28, 17550068), (56, 8775034), (112, 4387517)]