3987734

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 16

約数和(自身を含む): 6201360

約数和(自身を除く): 2213626

約数列:

[1, 2, 43, 86, 89, 178, 521, 1042, 3827, 7654, 22403, 44806, 46369, 92738, 1993867, 3987734]

約数ペア:

[(1, 3987734), (2, 1993867), (43, 92738), (86, 46369), (89, 44806), (178, 22403), (521, 7654), (1042, 3827)]