208084289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{2389}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 248712960

約数和(自身を除く): 40628671

約数列:

[1, 7, 23, 161, 541, 2389, 3787, 12443, 16723, 54947, 87101, 384629, 1292449, 9047143, 29726327, 208084289]

約数ペア:

[(1, 208084289), (7, 29726327), (23, 9047143), (161, 1292449), (541, 384629), (2389, 87101), (3787, 54947), (12443, 16723)]