128063266

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{4073}}^1$

素因数の和:4353

約数の個数: 16

約数和(自身を含む): 195552000

約数和(自身を除く): 67488734

約数列:

[1, 2, 79, 158, 199, 398, 4073, 8146, 15721, 31442, 321767, 643534, 810527, 1621054, 64031633, 128063266]

約数ペア:

[(1, 128063266), (2, 64031633), (79, 1621054), (158, 810527), (199, 643534), (398, 321767), (4073, 31442), (8146, 15721)]