1988666

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 16

約数和(自身を含む): 3092904

約数和(自身を除く): 1104238

約数列:

[1, 2, 53, 73, 106, 146, 257, 514, 3869, 7738, 13621, 18761, 27242, 37522, 994333, 1988666]

約数ペア:

[(1, 1988666), (2, 994333), (53, 37522), (73, 27242), (106, 18761), (146, 13621), (257, 7738), (514, 3869)]