3977846

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 16

約数和(自身を含む): 6130080

約数和(自身を除く): 2152234

約数列:

[1, 2, 71, 109, 142, 218, 257, 514, 7739, 15478, 18247, 28013, 36494, 56026, 1988923, 3977846]

約数ペア:

[(1, 3977846), (2, 1988923), (71, 56026), (109, 36494), (142, 28013), (218, 18247), (257, 15478), (514, 7739)]