668173

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 16

約数和(自身を含む): 806400

約数和(自身を除く): 138227

約数列:

[1, 11, 19, 23, 139, 209, 253, 437, 1529, 2641, 3197, 4807, 29051, 35167, 60743, 668173]

約数ペア:

[(1, 668173), (11, 60743), (19, 35167), (23, 29051), (139, 4807), (209, 3197), (253, 2641), (437, 1529)]