2189322142

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{556513}}^1$

素因数の和:556803

約数の個数: 16

約数和(自身を含む): 3766486752

約数和(自身を除く): 1577164610

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 556513, 1113026, 3895591, 7791182, 156380153, 312760306, 1094661071, 2189322142]

約数ペア:

[(1, 2189322142), (2, 1094661071), (7, 312760306), (14, 156380153), (281, 7791182), (562, 3895591), (1967, 1113026), (3934, 556513)]