438619390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3987449}}^1$

素因数の和:3987467

約数の個数: 16

約数和(自身を含む): 861289200

約数和(自身を除く): 422669810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 3987449, 7974898, 19937245, 39874490, 43861939, 87723878, 219309695, 438619390]

約数ペア:

[(1, 438619390), (2, 219309695), (5, 87723878), (10, 43861939), (11, 39874490), (22, 19937245), (55, 7974898), (110, 3987449)]