172657142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{649087}}^1$

素因数の和:649115

約数の個数: 16

約数和(自身を含む): 311562240

約数和(自身を除く): 138905098

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 649087, 1298174, 4543609, 9087218, 12332653, 24665306, 86328571, 172657142]

約数ペア:

[(1, 172657142), (2, 86328571), (7, 24665306), (14, 12332653), (19, 9087218), (38, 4543609), (133, 1298174), (266, 649087)]