81808889

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 88128000

約数和(自身を除く): 6319111

約数列:

[1, 19, 89, 101, 479, 1691, 1919, 8989, 9101, 42631, 48379, 170791, 809989, 919201, 4305731, 81808889]

約数ペア:

[(1, 81808889), (19, 4305731), (89, 919201), (101, 809989), (479, 170791), (1691, 48379), (1919, 42631), (8989, 9101)]