206516210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{53089}}^1$

素因数の和:53485

約数の個数: 16

約数和(自身を含む): 372691800

約数和(自身を除く): 166175590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 53089, 106178, 265445, 530890, 20651621, 41303242, 103258105, 206516210]

約数ペア:

[(1, 206516210), (2, 103258105), (5, 41303242), (10, 20651621), (389, 530890), (778, 265445), (1945, 106178), (3890, 53089)]