128897995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79813}}^1$

素因数の和:79854

約数の個数: 16

約数和(自身を含む): 172398240

約数和(自身を除く): 43500245

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 79813, 399065, 1356821, 1516447, 6784105, 7582235, 25779599, 128897995]

約数ペア:

[(1, 128897995), (5, 25779599), (17, 7582235), (19, 6784105), (85, 1516447), (95, 1356821), (323, 399065), (1615, 79813)]