2011031428

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{516709}}^1$

素因数の和:516859

約数の個数: 24

約数和(自身を含む): 4051006400

約数和(自身を除く): 2039974972

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 516709, 1033418, 2066836, 3616963, 7233926, 14467852, 71822551, 143645102, 287290204, 502757857, 1005515714, 2011031428]

約数ペア:

[(1, 2011031428), (2, 1005515714), (4, 502757857), (7, 287290204), (14, 143645102), (28, 71822551), (139, 14467852), (278, 7233926), (556, 3616963), (973, 2066836), (1946, 1033418), (3892, 516709)]