209967418

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{3697}}^1$

素因数の和:4161

約数の個数: 16

約数和(自身を含む): 320172840

約数和(自身を除く): 110205422

約数列:

[1, 2, 73, 146, 389, 778, 3697, 7394, 28397, 56794, 269881, 539762, 1438133, 2876266, 104983709, 209967418]

約数ペア:

[(1, 209967418), (2, 104983709), (73, 2876266), (146, 1438133), (389, 539762), (778, 269881), (3697, 56794), (7394, 28397)]