209436155

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{19031}}^1$

素因数の和:19138

約数の個数: 16

約数和(自身を含む): 263098368

約数和(自身を除く): 53662213

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 19031, 95155, 589961, 1351201, 2949805, 6756005, 41887231, 209436155]

約数ペア:

[(1, 209436155), (5, 41887231), (31, 6756005), (71, 2949805), (155, 1351201), (355, 589961), (2201, 95155), (11005, 19031)]