165789725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8117}}^1$

素因数の和:8189

約数の個数: 24

約数和(自身を含む): 221459040

約数和(自身を除く): 55669315

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 8117, 20425, 40585, 154223, 202925, 349031, 771115, 1745155, 3855575, 6631589, 8725775, 33157945, 165789725]

約数ペア:

[(1, 165789725), (5, 33157945), (19, 8725775), (25, 6631589), (43, 3855575), (95, 1745155), (215, 771115), (475, 349031), (817, 202925), (1075, 154223), (4085, 40585), (8117, 20425)]