28120232

素因数分解:

$2^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1787}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 60505920

約数和(自身を除く): 32385688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 281, 562, 1124, 1787, 1967, 2248, 3574, 3934, 7148, 7868, 12509, 14296, 15736, 25018, 50036, 100072, 502147, 1004294, 2008588, 3515029, 4017176, 7030058, 14060116, 28120232]

約数ペア:

[(1, 28120232), (2, 14060116), (4, 7030058), (7, 4017176), (8, 3515029), (14, 2008588), (28, 1004294), (56, 502147), (281, 100072), (562, 50036), (1124, 25018), (1787, 15736), (1967, 14296), (2248, 12509), (3574, 7868), (3934, 7148)]