208771672

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{636499}}^1$

素因数の和:636546

約数の個数: 16

約数和(自身を含む): 400995000

約数和(自身を除く): 192223328

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 636499, 1272998, 2545996, 5091992, 26096459, 52192918, 104385836, 208771672]

約数ペア:

[(1, 208771672), (2, 104385836), (4, 52192918), (8, 26096459), (41, 5091992), (82, 2545996), (164, 1272998), (328, 636499)]