3974438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2239

約数の個数: 16

約数和(自身を含む): 6513696

約数和(自身を除く): 2539258

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 2153, 4306, 27989, 55978, 152863, 305726, 1987219, 3974438]

約数ペア:

[(1, 3974438), (2, 1987219), (13, 305726), (26, 152863), (71, 55978), (142, 27989), (923, 4306), (1846, 2153)]