28561454

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1021}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 43708896

約数和(自身を除く): 15147442

約数列:

[1, 2, 71, 142, 197, 394, 1021, 2042, 13987, 27974, 72491, 144982, 201137, 402274, 14280727, 28561454]

約数ペア:

[(1, 28561454), (2, 14280727), (71, 402274), (142, 201137), (197, 144982), (394, 72491), (1021, 27974), (2042, 13987)]