7890242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4057

約数の個数: 16

約数和(自身を含む): 12640320

約数和(自身を除く): 4750078

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 3989, 7978, 91747, 171527, 183494, 343054, 3945121, 7890242]

約数ペア:

[(1, 7890242), (2, 3945121), (23, 343054), (43, 183494), (46, 171527), (86, 91747), (989, 7978), (1978, 3989)]