208831679

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{224309}}^1$

素因数の和:224342

約数の個数: 12

約数和(自身を含む): 255713400

約数和(自身を除く): 46881721

約数列:

[1, 7, 19, 49, 133, 931, 224309, 1570163, 4261871, 10991141, 29833097, 208831679]

約数ペア:

[(1, 208831679), (7, 29833097), (19, 10991141), (49, 4261871), (133, 1570163), (931, 224309)]