208990148

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{19919}}^1$

素因数の和:20027

約数の個数: 24

約数和(自身を含む): 380392320

約数和(自身を除く): 171402172

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 2623, 5246, 10492, 19919, 39838, 79676, 856517, 1215059, 1713034, 2430118, 3426068, 4860236, 52247537, 104495074, 208990148]

約数ペア:

[(1, 208990148), (2, 104495074), (4, 52247537), (43, 4860236), (61, 3426068), (86, 2430118), (122, 1713034), (172, 1215059), (244, 856517), (2623, 79676), (5246, 39838), (10492, 19919)]