199487821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{26053}}^1$

素因数の和:26116

約数の個数: 16

約数和(自身を含む): 233443840

約数和(自身を除く): 33956019

約数列:

[1, 13, 19, 31, 247, 403, 589, 7657, 26053, 338689, 495007, 807643, 6435091, 10499359, 15345217, 199487821]

約数ペア:

[(1, 199487821), (13, 15345217), (19, 10499359), (31, 6435091), (247, 807643), (403, 495007), (589, 338689), (7657, 26053)]