215126285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83221}}^1$

素因数の和:83284

約数の個数: 16

約数和(自身を含む): 287615232

約数和(自身を除く): 72488947

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 83221, 416105, 915431, 3911387, 4577155, 19556935, 43025257, 215126285]

約数ペア:

[(1, 215126285), (5, 43025257), (11, 19556935), (47, 4577155), (55, 3911387), (235, 915431), (517, 416105), (2585, 83221)]