391324

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 18

約数和(自身を含む): 725424

約数和(自身を除く): 334100

約数列:

[1, 2, 4, 19, 38, 76, 271, 361, 542, 722, 1084, 1444, 5149, 10298, 20596, 97831, 195662, 391324]

約数ペア:

[(1, 391324), (2, 195662), (4, 97831), (19, 20596), (38, 10298), (76, 5149), (271, 1444), (361, 1084), (542, 722)]